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The March equinox or northward equinox is the
equinox An equinox is traditionally defined as the time when the plane In mathematics, a plane is a flatness (mathematics), flat, two-dimensional surface (mathematics), surface that extends infinitely far. A plane is the two-dimensional space, two-di ...

equinox
on the
Earth Earth is the third planet from the Sun and the only astronomical object known to harbour and support life. 29.2% of Earth's surface is land consisting of continents and islands. The remaining 70.8% is Water distribution on Earth, covered wi ...

Earth
when the
subsolar point The subsolar point on a planet is the point at which its sun is perceived to be directly overhead (at the zenith); that is, where the sun's rays strike the planet exactly perpendicular In elementary geometry, the property of being perpendicu ...

subsolar point
appears to leave the
Southern Hemisphere The Southern Hemisphere is the half (hemisphere Hemisphere may refer to: * A half of a sphere As half of the Earth * A hemispheres of Earth, hemisphere of Earth ** Northern Hemisphere ** Southern Hemisphere ** Eastern Hemisphere ** Western He ...

Southern Hemisphere
and cross the
celestial equator The celestial equator is the great circle A great circle, also known as an orthodrome, of a sphere of a sphere A sphere (from Greek language, Greek —, "globe, ball") is a Geometry, geometrical object in solid geometry, three-dimensiona ...
, heading northward as seen from Earth. The March equinox is known as the vernal equinox (spring equinox) in the
Northern Hemisphere The Northern Hemisphere is the half of Earth Earth is the third planet from the Sun and the only astronomical object known to harbour and support life. 29.2% of Earth's surface is land consisting of continents and islands. The remain ...

Northern Hemisphere
and as the autumnal equinox in the Southern. On the
Gregorian calendar The Gregorian calendar is the calendar A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. A calendar date, date is the designation of a single, speci ...
, the northward equinox can occur as early as 19 March or as late as 21 March at Greenwich. For a
common year A common year is a calendar year A calendar is a system of organizing days. This is done by giving names to periods of time Time is the indefinite continued sequence, progress of existence and event (philosophy), events that occur in ...
the computed time slippage is about 5 hours 49 minutes ''later'' than the previous year, and for a leap year about 18 hours 11 minutes ''earlier'' than the previous year. Balancing the increases of the common years against the losses of the leap years keeps the calendar date of the March equinox from drifting more than one day from 20 March each year. The March equinox may be taken to mark the beginning of
astronomical Astronomy (from el, ἀστρονομία, literally meaning the science that studies the laws of the stars) is a natural science that studies celestial objects and phenomena. It uses mathematics Mathematics (from Ancient Greek, Gr ...
spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a heli ...
and the end of astronomical
winter Winter is the est of the year in and . It occurs between and . The tilt of Earth's axis causes seasons; winter occurs when a is oriented away from the . Different cultures define different dates as the start of winter, and some use a de ...

winter
in the Northern Hemisphere but marks the beginning of astronomical
autumn Autumn, also known as fall in American English American English (AmE, AE, AmEng, USEng, en-US), sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States. Curr ...

autumn
and the end of astronomical
summer Summer is the hottest of the four temperate In geography, the temperate climates of Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29% of Earth's surface is land ...

summer
in the Southern Hemisphere. In
astronomy Astronomy (from el, ἀστρονομία, literally meaning the science that studies the laws of the stars) is a natural science that studies astronomical object, celestial objects and celestial event, phenomena. It uses mathematics, phys ...
, the March equinox is the zero point of
sidereal time Sidereal time () is a timekeeping system that astronomers use to locate celestial objects. Using sidereal time, it is possible to easily point a telescope to the proper coordinates in the night sky The term night sky, usually associated ...

sidereal time
and, consequently,
right ascension Right ascension (abbreviated RA; symbol ) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the equinox (celestial coordinates), March equinox to the (hour circle of the) point in question ...

right ascension
. It also serves as a reference for calendars and celebrations in many human cultures and religions.


Constellation

The point where the Sun crosses the celestial equator northwards is called the . However, due to the
precession of the equinoxes In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's Rotation around a fixed axis, rotational axis. In particular, it can refer to the gradual shift in the orientation of E ...
, this point is no longer in the
constellation A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived outline or pattern, typically representing an animal, mythological person or creature, or an inanimate object. The origins of the earliest ...

constellation
Aries Aries may refer to: *Aries (astrology) *Aries (constellation) Vehicles *Dodge Aries, an automobile *Ariès, a French automobile *Aries Motorsport, a British kit car manufacturer *EP-3E Aries, an reconnaissance aircraft Other uses *Aries (rocket) * ...
, but rather in
Pisces Pisces may refer to: * ''Pisces'', an obsolete taxonomic term for fish Fish are Aquatic animal, aquatic, craniate, gill-bearing animals that lack Limb (anatomy), limbs with Digit (anatomy), digits. They form a sister group to the tunicates, ...
. By the year 2600 it will be in
Aquarius Aquarius may refer to: Astrology * Aquarius (astrology) Aquarius () is the eleventh astrological sign in the Zodiac, originating from the Aquarius (constellation), constellation Aquarius. Under the tropical zodiac, the Sun is in the Aqu ...
. The Earth's axis causes the First Point of Aries to travel westwards across the sky at a rate of roughly one degree every 72 years. Based on the modern constellation boundaries, the northward equinox passed from
Taurus Taurus is Latin for 'bull' and may refer to: * Taurus (constellation), one of the constellations of the zodiac * Taurus (mythology), one of two Greek mythological characters named Taurus * Taurus (astrology), the astrological sign * ''Bos taurus'' ...
into Aries in the year −1865 (1866 BC), passed into Pisces in the year −67 (68 BC), will pass into Aquarius in the year 2597, and will pass into
Capricornus Capricornus is one of the constellation A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived outline or pattern, typically representing an animal, mythological person or creature, or an i ...

Capricornus
in the year 4312. It passed by (but not into) a 'corner' of
Cetus Cetus () is a constellation, sometimes called 'the whale' in English. The Cetus (mythology), Cetus was a sea monster in Greek mythology which both Perseus and Heracles needed to slay. Cetus is in the region of the sky that contains other water- ...

Cetus
at 0°10′ distance in the year 1489.


Apparent movement of the Sun

In its apparent motion on the day of an equinox, the Sun's disk crosses the Earth's horizon directly to the east at sunrise; and again, some 12 hours later, directly to the west at sunset. The March equinox, like all equinoxes, is characterized by having an almost exactly equal amount of daylight and night across most latitudes on Earth. Due to
refraction In physics Physics is the natural science that studies matter, its Elementary particle, fundamental constituents, its Motion (physics), motion and behavior through Spacetime, space and time, and the related entities of energy and force ...

refraction
of light rays in the
Earth's atmosphere The atmosphere of Earth is the layer of gas Gas is one of the four fundamental states of matter (the others being solid Solid is one of the four fundamental states of matter (the others being liquid, gas and plasma). The mo ...

Earth's atmosphere
, the Sun will be visible above the horizon even when its disc is completely below the limb of the Earth. Additionally, when seen from the Earth, the Sun is a bright disc in the sky and not just a point of light, thus sunrise and sunset can be said to start several minutes before the sun's geometric center even crosses the horizon, and extends equally long after. These conditions produce differentials of actual durations of light and darkness at various locations on Earth during an equinox. This is most notable at the more extreme latitudes, where the Sun may be seen to travel sideways considerably during the morning and evening, drawing out the transition from day to night. At the north and south poles, the Sun appears to move steadily around the horizon, and just above the horizon, neither rising nor setting apart from a slight change in
declination In astronomy Astronomy (from el, ἀστρονομία, literally meaning the science that studies the laws of the stars) is a natural science that studies astronomical object, celestial objects and celestial event, phenomena. It uses math ...
of about 0.39° per day as the equinox passes.


Culture


Calendars

The
Babylonian calendar The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months, each beginning when a new lunar phase, crescent moon was first sighted low on the western horizon at sunset, plus an intercalary month inserted as needed b ...
began with the first new moon after the March equinox, the day after the return of the Sumerian goddess
Inanna Inanna is an ancient Mesopotamian goddess associated with love, beauty, sex, war, justice and political power. She was originally worshiped in Sumer Sumer ()The name is from '; ''kig̃ir'', written and ,approximately "land of the ...
(later known as
Ishtar Inanna is an ancient Mesopotamian goddess associated with love, beauty, sex, war, justice and political power. She was originally worshiped in Sumer Sumer ()The name is from Akkadian language, Akkadian '; Sumerian language, Sumerian '' ...

Ishtar
) from the underworld, in the
Akitu Akitu or Akitum is a spring festival held in the first month of Nisan ''Nisan'' (or ''Nissan''; he, נִיסָן, Hebrew language#Modern Hebrew, Standard ''Nisan'' Tiberian vocalization, Tiberian ''Nîsān'') in the Hebrew and the Babylonian ...
ceremony, with parades through the
Ishtar Gate The Ishtar Gate ( ar, بوابة عشتار) was the eighth gate to the inner city of Babylon ''Bābili(m)'' * sux, 𒆍𒀭𒊏𒆠 * arc, 𐡁𐡁𐡋 ''Bāḇel'' * syc, ܒܒܠ ''Bāḇel'' * grc-gre, Βαβυλών ''Babylṓn'' * he, ב ...

Ishtar Gate
to the
Eanna E-anna ( sux, , ''house of heavens'') was an ancient Sumer Sumer ()The name is from Akkadian language, Akkadian '; Sumerian language, Sumerian ''kig̃ir'', written and ,approximately "land of the civilized kings" or "native land". me ...
temple and the ritual re-enactment of the marriage to
Tammuz Dumuzid ( sux, 𒌉𒍣𒉺𒇻, ''Dumuzid sipad'') or Dumuzi, later known by the alternative form Tammuz,; he, תַּמּוּז, Transliterated Transliteration is a type of conversion of a text from one script Script may refer to: ...
, or Sumerian Dummuzi. The
Persian calendar The Iranian calendars or Iranian chronology ( fa, گاه‌شماری ایرانی, ''Gāh-Šomāri-ye Irāni'') are a succession of calendars invented or used for over two millennia in Iran Iran ( fa, ایران ), also called Persia ...
begins each year at the northward equinox, observationally determined at
Tehran Tehran (; fa, تهران ) is the Capital city, capital of Iran and Tehran Province. With a population of around 8.7 million in the city and 15 million in the larger metropolitan area of Greater Tehran, Tehran is the List of largest cities o ...

Tehran
. The
Indian national calendar The Indian national calendar, sometimes called the Saka calendar, is used, alongside the Gregorian calendar, by ''The Gazette of India'', in news broadcasts by All India Radio and in calendars and communications issued by the Government of India. ...

Indian national calendar
starts the year on the day next to the vernal equinox on 22 March (21 March in leap years) with a 30-day month (31 days in leap years), then has 5 months of 31 days followed by 6 months of 30 days.


Julian calendar

The Julian calendar reform lengthened seven months and replaced the intercalary month with an intercalary day to be added every four years to February. It was based on a length for the year of 365 days and 6 hours (365.25 d), while the mean tropical year is about 11 minutes and 15 seconds less than that. This had the effect of adding about three quarters of an hour every four years. The effect accumulated from inception in 45 BC until the 16th century, when the northern vernal equinox fell on 10 or 11 March. The date in 1452 was 11 March, 11:52 (Julian). In 2547 it will be 20 March, 21:18 (Gregorian) and 3 March, 21:18 (Julian).


Western Christendom

In
Western Christendom in Vatican City Vatican City (), officially the Vatican City State ( it, Stato della Città del Vaticano; la, Status Civitatis Vaticanae),—' * german: Vatikanstadt, cf. '—' (in Austria: ') * pl, Miasto Watykańskie, cf. '—' * p ...
, the March equinox is one of the factors used to determine the date of
Easter Easter,Traditional names for the feast in English are "Easter Day", as in the ''Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'' and Samuel Pepys''The Diary of Samuel Pe ...

Easter
. However, the Gregorian reform of the calendar declared March 21 to be the date for the ecclesiastical equinox, and it is this fixed date (rather than the date of the actual astronomical event) that is used for the Easter date calculation.


Commemorations


Abrahamic tradition

* The Jewish
Passover Passover, also called Pesach (; he, פֶּסַח '), is a major Jewish holiday Jewish holidays, also known as Jewish festivals or ''Yamim Tovim'' ( he, ימים טובים, , Good Days, or singular , in transliterated Translitera ...
usually falls on the first
full moon The full moon is the lunar phase s in 2022 as viewed from the Southern Hemisphere The Southern Hemisphere is the half (hemisphere Hemisphere may refer to: * A half of a sphere As half of the Earth * A hemispheres of Earth, hemisphere o ...

full moon
after the northern hemisphere vernal equinox, although occasionally (currently three times every 19 years) it will occur on the second full moon. * The
Christian Church Christian Church is a Protestant Protestantism is a form of Christianity that originated with the 16th-century Reformation, a movement against what its followers perceived to be Criticism of the Catholic Church, errors in the Catholic Church. ...

Christian Church
es calculate
Easter Easter,Traditional names for the feast in English are "Easter Day", as in the ''Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'' and Samuel Pepys''The Diary of Samuel Pe ...

Easter
as the first Sunday after the first full moon on or after the March equinox. The official church definition for the equinox is 21 March. The
Eastern Orthodox Church The Eastern Orthodox Church, also called the Orthodox Church, is the second-largest Christian church, with approximately 220 million baptised members. It operates as a communion Communion may refer to: Religion * The Eucharist (also cal ...
es use the older
Julian calendar The Julian calendar, proposed by Julius Caesar Gaius Julius Caesar (; 12 July 100 BC – 15 March 44 BC) was a Roman Roman or Romans usually refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century B ...
, while the western churches use the
Gregorian calendar The Gregorian calendar is the calendar A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. A calendar date, date is the designation of a single, speci ...
, and the western full moons currently fall four, five or 34 days before the eastern ones. The result is that the two Easters generally fall on different days but they sometimes coincide. The earliest possible western Easter date in any year is 22 March on each calendar. The latest possible western Easter date in any year is 25 April.


Iranian tradition

* The northward equinox marks the first day of various calendars including the
Iranian calendar The Iranian calendars or Iranian chronology ( fa, گاه‌شماری ایرانی, ''Gāh-Šomāri-ye Irāni'') are a succession of calendars invented or used for over two millennia in , also known as Persia. One of the longest chronological re ...
. The ancient Iranian peoples' new year's festival of
Nowruz Nowruz ( fa, نوروز, ; ) is the Iranian New Year, also known as the Persian New Year, which begins on the spring equinox, marking the first day of Farvardin Farvardin ( fa, فروردین, ) is the Iranian Persian name for the first mont ...

Nowruz
can be celebrated 20 March or 21 March. According to the ancient Persian mythology Jamshid, the mythological king of Persia, ascended to the throne on this day and each year this is commemorated with festivities for two weeks. Along with
Iranian peoples The Iranian peoples or Iranic peoples are a diverse Indo-European The Indo-European languages are a language family native to western and southern Eurasia. It comprises most of the languages of Europe together with those of the norther ...
, it is also a holiday celebrated by
Turkic people The Turkic peoples are a collection of ethnic group An ethnic group or ethnicity is a grouping of people A people is any plurality of person A person (plural people or persons) is a being that has certain capacities or attributes ...
, the
North Caucasus The North Caucasus ( ady, Темыр Къафкъас, Temır Qafqas; kbd, Ишхъэрэ Къаукъаз, İṩxhərə Qauqaz; ce, Къилбаседа Кавказ, Q̇ilbaseda Kavkaz; rus, Северный Кавказ, r=Severnyy Ka ...
and in
Albania Albania ( ; sq, Shqipëri or Shqipëria), officially the Republic of Albania ( sq, Republika e Shqipërisë), is a country in Southeastern Europe Southeast Europe or Southeastern Europe () is a geographical subregion A subregion is a par ...

Albania
. It is also a holiday for Zoroastrians, adherents of the
Baháʼí Faith The Baháʼí Faith (; fa , بهائی ') is a new religion teaching the essential worth of all religions and the unity of all people. Established by Baháʼu'lláh Baháʼu'lláh (12 November 1817 – 29 May 1892) was a Persian ...
and
Nizari The Nizaris ( ar, النزاريون, al-Nizāriyyūn, fa, نزاریان, Nezāriyān) are the largest segment of the Isma'ilism, Ismaili Muslims, who are the second-largest branch of Shia Islam after the Twelvers. Nizari teachings emphasize ...
Ismaili Muslims Ismāʿīlism ( ar, الإسماعيلية, ''al-ʾIsmāʿīlīyah''; fa, اسماعیلیان, ''Esmâ'īliyân'') is a branch or sub-sect of Shia Islam. The Ismāʿīlī () get their name from their acceptance of Imam Isma'il ibn Jafar, Ism ...
irrespective of ethnicity.


West Asia and North Africa

* In many
Arab countries The Arab world ( ar, العالم العربي '), formally the Arab homeland ( '), also known as the Arab nation ( '), the Arabsphere, or the Arab states, consists of the 22 Arab countries The Arab world ( ar, العالم العربي '), ...
,
Mother's Day Mother's Day is a celebration honoring the mother of the family, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on various days in many parts of the world, most commonly in the months of March ...

Mother's Day
is celebrated on the northward equinox. *
Sham el-Nessim Sham Ennessim ( ar, شم النسيم, ''Sham Al Nassim'' or ''Sham an-Nassim''; Egyptian Arabic Egyptian Arabic, locally known as Colloquial Egyptian ( ar, العامية المصرية, ), or simply ''Masri'' (), is the spoken vernacular ...
was an
ancient Egypt Ancient Egypt was a civilization  A civilization (or civilisation) is a that is characterized by , , a form of government, and systems of communication (such as ). Civilizations are intimately associated with additional char ...

ancient Egypt
ian holiday which can be traced back as far as 2700 BC. It is still one of the
public holidays in Egypt Public holidays A public holiday, national holiday or legal holiday is a holiday A holiday is a day set aside by Norm (social), custom or by law on which normal activities, especially business or work including school, are suspended or reduced ...
. Sometime during Egypt's Christian period (c. 200–639) the date moved to
Easter Monday Easter Monday is the day after Easter, Easter Sunday and is a public holiday in some countries. It is the second day of Eastertide. In Western Christianity, it is also the second day of the Octave of Easter, and in Eastern Christianity, it is als ...
, but before then it coincided with the vernal equinox.


South and Southeast Asia

According to the sidereal solar calendar, celebrations which originally coincided with the March equinox now take place throughout South Asia and parts of Southeast Asia on the day when the Sun enters the sidereal Aries, generally around 14 April.


East Asia

* The traditional East Asian calendars divide a year into 24
solar term A solar term is any of twenty-four periods in traditional Chinese Chinese can refer to: * Something related to China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the List of countries and depe ...
s (节气, literally "climatic segments"), and the vernal equinox ('' Chūnfēn'', ) marks the ''middle'' of the spring. In this context, the
Chinese character Chinese characters, also called ''hanzi'' (), are logogram In a written language A written language is the representation of a spoken or gestural language A language is a structured system of communication used by humans, ...

Chinese character
分 means ''"(equal) division"'' (within a season). * In Japan,
Vernal Equinox Day is a public holiday in Japan that occurs on the date of the Northward equinox Northward may refer to: * Northward, Isles of Scilly, part of Old Grimsby, England * Northward (band), a band composed of vocalist Floor Jansen and guitarist Jørn ...
(春分の日 ''Shunbun no hi'') is an official national holiday, and is spent visiting family graves and holding family reunions.
Higan :''For the multi-system emulator emulates the command-line interface A command-line interface (CLI) processes commands to a computer program in the form of lines of text. The program which handles the interface is called a command-line in ...
(お彼岸) is a Buddhist holiday exclusively celebrated by Japanese sects during both the Spring and Autumnal Equinox.


Europe

* Lieldienas *in
Norse paganism Old Norse Religion, also known as Norse Paganism, is the most common name for a branch of Germanic religion which developed during the Proto-Norse Proto-Norse (also called Ancient Nordic, Ancient Scandinavian, Ancient Norse, Primitive ...
, a
Dísablót . Image:Disting 2008.jpg, The celebration lives on as an annual market in Uppsala, Sweden. A scene from the disting of 2008. The ''Dísablót'' was the ''blót">Sweden. A scene from the disting of 2008.">Uppsala, Sweden. A scene from the disting ...
was celebrated on the vernal equinox. * Drowning of Marzanna


The Americas

* Spring equinox in Teotihuacán *The reconstructed
Cahokia Woodhenge The Cahokia Woodhenge was a series of large timber circles located roughly to the west of Monks Mound at the Mississippian culture Cahokia archaeological site near Collinsville, Illinois. They are thought to have been constructed between 900 and 1 ...
, a large
timber circleIn archaeology Archaeology or archeology is the study of human activity through the recovery and analysis of material culture. Archaeology is often considered a branch of socio-cultural anthropology, but archaeologists also draw from biologic ...
located at the
Mississippian culture The Mississippian culture was a Native American Native Americans may refer to: Ethnic groups * Indigenous peoples of the Americas, the pre-Columbian peoples of North and South America and their descendants * Native Americans in the United Sta ...
Cahokia The Cahokia Mounds State Historic Site ( 11 MS 2) is the site of a pre-Columbian Native American Native Americans may refer to: Ethnic groups * Indigenous peoples of the Americas, the pre-Columbian peoples of North and South America and ...
archaeological site An archaeological site is a place (or group of physical sites) in which evidence of past activity is preserved (either prehistoric Prehistory, also known as pre-literary history, is the period of human history Human history, also kn ...

archaeological site
near
Collinsville, Illinois Collinsville is a city located mainly in , and partially in , both in . As of the 2010 census, the city had a population of 25,579, an increase from 24,707 in 2000. Collinsville is approximately from and is considered part of that city's area. ...
, is the site of annual equinox and solstice sunrise observances. Out of respect for
Native American Native Americans may refer to: Ethnic groups * Indigenous peoples of the Americas, the pre-Columbian peoples of North and South America and their descendants * Native Americans in the United States * Indigenous peoples in Canada, the indigenous p ...
beliefs these events do not feature ceremonies or rituals of any kind.


Modern culture

* World Storytelling Day is a global celebration of the art of oral storytelling, celebrated every year on the day of the northward equinox. *
World Citizen Global citizenship is the idea that one's identity transcends geography or political borders and that responsibilities or rights are derived from membership in a broader class: "humanity". This does not mean that such a person denounces or waives ...
Day occurs on the northward equinox. * The
Baháʼí calendar The Badíʻ calendar used in the Baháʼí Faith The Baháʼí Faith (; fa , بهائی ') is a new religion teaching the essential worth of all religions and the unity of all people. Established by Baháʼu'lláh in the 19th century, it ...
year starts at the sunset preceding the March equinox calculated for Tehran. * In
Annapolis, Maryland Annapolis ( ) is the capital of the U.S. state of Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia ...
in the United States, boatyard employees and sailboat owners celebrate the spring equinox with the Burning of the Socks festival. Traditionally, the boating community wears socks only during the winter. These are burned at the approach of warmer weather, which brings more customers and work to the area. Officially, nobody then wears socks until the next equinox. *
Neopagan Modern Paganism, also known as Contemporary Paganism and Neopaganism, is a collective term for religious movements influenced by or derived from the various Paganism, historical pagan beliefs of History of the world#Ancient history, pre-modern p ...
s observe the March equinox as a cardinal point on the
Wheel of the Year The Wheel of the Year is an annual cycle of seasonal festivals, observed by many Modern Paganism, modern Pagans, consisting of the year's chief solar events (solstices and equinoxes) and the midpoints between them. While names for each festival ...

Wheel of the Year
. In the northern hemisphere some varieties of paganism adapt vernal equinox celebrations, while in the southern hemisphere pagans adapt autumnal traditions. *
International Astrology Day International Astrology Day (most often observed on either March 20 or March 21) was first asserted by the Association for Astrological Networking in 1993 and is an annual observance/holiday celebrated by astrologers and astrology Astrol ...
* On 20 March 2014 and 20 March 2018, the March equinox was commemorated by an animated
Google Doodle A Google Doodle is a special, temporary alteration of the logo on Google Google LLC is an American Multinational corporation, multinational technology company that specializes in Internet-related services and products, which include onl ...
.


See also

*
September equinox The September equinox (or southward equinox) is the moment when the Sun The Sun is the star A star is an astronomical object consisting of a luminous spheroid of plasma (physics), plasma held together by its own gravity. The List ...
*
June solstice The June solstice is the solstice on the Earth that occurs each year falling on 20–22 June according to the Gregorian calendar The Gregorian calendar is the calendar used in most of the world. It was introduced in October 1582 by Pope G ...
*
December solstice The December solstice, also known as the southern solstice, is the that occurs each December – typically on 21 December, but may vary by one day in either direction according to the . In the , the December solstice is the (the day with the s ...


References


External links

* *
Spring Starts Today All Over America, Which Is Weird
(March 19, 2020) {{Portal bar, Earth sciences, Astronomy, Stars, Spaceflight, Outer space, Solar System Spherical astronomy Dynamics of the Solar System
Equinox An equinox is traditionally defined as the time when the plane In mathematics, a plane is a flatness (mathematics), flat, two-dimensional surface (mathematics), surface that extends infinitely far. A plane is the two-dimensional space, two-di ...
Astronomical events of the Solar System