Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

, two main

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 date is the designation of a single and specific day within such a system. A calendar is also a physi ...

systems are used alongside each other: the

Thai solar calendar The Thai solar calendar ( th, ปฏิทินสุริยคติ, , "solar calendar") was adopted by King Chulalongkorn (Rama V) in 1888 CE as the Siamese version of the Gregorian calendar, replacing the Thai lunar calendar as the lega ...

, based on the

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years dif ...

and used for official and most day-to-day purposes, and the

Thai lunar calendar The Thai lunar calendar ( th, ปฏิทินจันทรคติ, , , literally, ''Specific days according to lunar norms''), or Tai calendar, is a lunisolar Buddhist calendar. It is used for calculating lunar-regulated holy days. Based on ...

(a version of the

Buddhist calendar The Buddhist calendar is a set of lunisolar calendars primarily used in Cambodia, Laos, Myanmar, India, Sri Lanka, and Thailand as well as in Malaysia, Singapore and Vietnam by Chinese populations for religious or official occasions. While the ...

, technically a

lunisolar calendar A lunisolar calendar is a calendar in many cultures, combining lunar calendars and solar calendars. The date of Lunisolar calendars therefore indicates both the Moon phase and the time of the solar year, that is the position of the Sun in the Ea ...

), used for traditional events and Buddhist religious practices. The use of the solar calendar was introduced in 1889 by King

Chulalongkorn Chulalongkorn ( th, จุฬาลงกรณ์, 20 September 1853 – 23 October 1910) was the fifth monarch of Siam under the House of Chakri, titled Rama V. He was known to the Siamese of his time as ''Phra Phuttha Chao Luang'' (พร� ...

(Rama V), replacing the lunar calendar in official contexts. The beginning of the year was originally marked as April 1st, however this was changed to January 1st in 1941. The days and months now correspond exactly to the Gregorian calendar. The years follow the

Buddhist Era The Buddhist calendar is a set of lunisolar calendars primarily used in Cambodia, Laos, Myanmar, India, Sri Lanka, and Thailand as well as in Malaysia, Singapore and Vietnam by Chinese populations for religious or official occasions. While the ...

, introduced in 1913 to replace the Rattanakosin Era, which in turn replaced the

Chula Sakarat Chula Sakarat or Chulasakarat ( pi, Culāsakaraj; my, ကောဇာသက္ကရာဇ်, ; km, ចុល្លសករាជ "''Chulasakarach''"; th, จุลศักราช, , , abbrv. จ.ศ. ''Choso'') is a lunisolar calendar deri ...

in 1889. The reckoning of the Buddhist Era in Thailand is 543 years ahead of the

Common Era Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the or ...

(

Anno Domini The terms (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars. The term is Medieval Latin and means 'in the year of the Lord', but is often presented using "our Lord" instead of "the Lord", ...

), so the year CE corresponds to B.E. . The lunar calendar contains 12 or 13 months in a year, with 15 waxing moon and 14 or 15 waning moon days in a month, amounting to years of 354, 355 or 384 days. The years are usually noted by the animal of the

Chinese zodiac The Chinese zodiac is a traditional classification scheme based on the lunar calendar that assigns an animal and its reputed attributes to each year in a repeating twelve-year cycle. Originating from China, the zodiac and its variations remain ...

, although there are several dates used to count the New Year. As with the rest of the world, the seven-day

week A week is a unit of time equal to seven days. It is the standard time period used for short cycles of days in most parts of the world. The days are often used to indicate common work days and rest days, as well as days of worship. Weeks are ofte ...

is used alongside both calendars. The solar calendar now governs most aspects of life in Thailand, and while official state documents invariably follow the Buddhist Era, the Common Era is also used by the private sector. The lunar calendar determines the dates of Buddhist holidays, traditional festivals and astrological practices, and the lunar date is still recorded on birth certificates and printed in most daily newspapers.

Calendars

* Red numerals mark

Sunday Sunday is the day of the week between Saturday and Monday. In most Western countries, Sunday is a day of rest and a part of the weekend. It is often considered the first day of the week. For most observant adherents of Christianity, Sunday ...

s and

public holidays in Thailand Public holidays in Thailand are regulated by the government, and most are observed by both the public and private sectors. There are usually nineteen public holidays in a year, but more may be declared by the cabinet. Other observances, both offic ...

. *

Buddha Siddhartha Gautama, most commonly referred to as the Buddha, was a śramaṇa, wandering ascetic and religious teacher who lived in South Asia during the 6th or 5th century BCE and founded Buddhism. According to Buddhist tradition, he was ...

images mark Buddhist Sabbaths, ''Wan Phra'' (). * Red tablets with white

Chinese characters Chinese characters () are logograms developed for the writing of Chinese. In addition, they have been adapted to write other East Asian languages, and remain a key component of the Japanese writing system where they are known as ''kanji' ...

mark the

New New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz Albums and EPs * ''New'' (album), by Paul McCartney, 2013 * ''New'' (EP), by Regurgitator, ...

and

Full Moon The full moon is the lunar phase when the Moon appears fully illuminated from Earth's perspective. This occurs when Earth is located between the Sun and the Moon (when the ecliptic coordinate system, ecliptic longitudes of the Sun and Moon opp ...

s of the

Chinese calendar The traditional Chinese calendar (also known as the Agricultural Calendar ��曆; 农历; ''Nónglì''; 'farming calendar' Former Calendar ��曆; 旧历; ''Jiùlì'' Traditional Calendar ��曆; 老历; ''Lǎolì'', is a lunisolar calendar ...

, which typically differ by one day from those of the Thai. *

dates appear below the solar calendar date.

Birthdays

Mundane

astrology Astrology is a range of Divination, divinatory practices, recognized as pseudoscientific since the 18th century, that claim to discern information about human affairs and terrestrial events by studying the apparent positions of Celestial o ...

figures prominently in

Thai culture Thai or THAI may refer to: * Of or from Thailand, a country in Southeast Asia ** Thai people, the dominant ethnic group of Thailand ** Thai language, a Tai-Kadai language spoken mainly in and around Thailand *** Thai script *** Thai (Unicode bloc ...

, so modern Thai birth certificates include lunar calendar dates, and the appropriate

zodiacal animal year-name for both Thai Hora (, ho-ra-sat) and

Chinese astrology Chinese astrology is based on the traditional astronomy and calendars. Chinese astrology came to flourish during the Han Dynasty (2nd century BC to 2nd century AD). Chinese astrology has a close relation with Chinese philosophy (theory of the t ...

. Thai birth certificates record the date, month and time of birth, followed by the day of the week, lunar date, and the applicable zodiac animal name. Thai traditionally reckon age by the 12-year animal-cycle names, with the twelfth and sixtieth

anniversaries An anniversary is the date on which an event took place or an institution was founded in a previous year, and may also refer to the commemoration or celebration of that event. The word was first used for Catholic feasts to commemorate saints. ...

being of special significance; but the official calendar determines age at law. For instance, 12 August 2004 was observed without regard to the lunar date as Queen

Sirikit Queen Sirikit ( th, สิริกิติ์; ; ); born ''Mom Rajawongse'' Sirikit Kitiyakara ( th, สิริกิติ์ กิติยากร; ; 12 August 1932) is the queen mother of Thailand. She was List of Thai royal consorts, ...

's birthday, a public holiday also observed as Thai

Mother's Day Mother's Day is a celebration honoring the mother of the family or individual, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on different days in many parts of the world, most commonly in the ...

. Her zodiacal animal is the

Monkey Monkey is a common name that may refer to most mammals of the infraorder Simiiformes, also known as the simians. Traditionally, all animals in the group now known as simians are counted as monkeys except the apes, which constitutes an incomple ...

and her traditionally significant sixtieth anniversary year was 1992. Born on a Friday, her auspicious birthday colour is blue. Thai auspicious colours of the day are given in the table of weekdays, followed below it by a link to the Buddha images for each day of the week.

Weeks

A week (, ''sapda'' or सप्ताह, , ''sapdaha'' from

Sanskrit Sanskrit (; attributively , ; nominally , , ) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had diffused there from the northwest in the late ...

"seven") is a 7-day period beginning on Sunday and ending Saturday.

Days of the week A day is the time period of a full rotation of the Earth with respect to the Sun. On average, this is 24 hours, 1440 minutes, or 86,400 seconds. In everyday life, the word "day" often refers to a solar day, which is the length between two so ...

are named after the first seven of the nine Indian astrological

Navagraha Navagraha are nine heavenly bodies and deities that influence human life on Earth according to Hinduism and Hindu astrology. The term is derived from ''nava'' ( sa, नव "nine") and ''graha'' ( sa, ग्रह "planet, seizing, laying hold of, ...

; i.e., the sun, moon, and five

classical planet In classical antiquity, the seven classical planets or seven luminaries are the seven moving astronomical objects in the sky visible to the naked eye: the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn. The word ''planet'' comes fro ...

s. Note: Colours are those considered

auspicious Auspicious is a Latin-derived word originally pertaining to the taking of 'auspices' by the augurs of ancient Rome. It may refer to: * Luck * Auspicious number in numerology * Eight auspicious symbols; see Ashtamangala * Auspicious wedding date * ...

for the given days of the week, that of Wednesday day being green and of Wednesday night, light green. Of

Buddha image Buddhist art is visual art produced in the context of Buddhism. It includes Buddha in art, depictions of Gautama Buddha and other Buddhas and bodhisattvas in art, Buddhas and bodhisattvas, notable Buddhist figures both historical and mythical, na ...

s representing episodes () from his life, there is one that represents a week and others for each day of the week: Monday has three options that are similar and Wednesday, entirely different ones for day and night. Thai representations of the planets in deity form are below: File:Phra Athit.gif, Phra Athit File:Phra Chan.gif, Phra Chan File:Phra Angkhan.gif, Phra Angkhan File:Phra Phut.gif, Phra Phut File:Phra Rahu.gif, Phra Rahu File:Phra Phareuehat.gif, Phra Phruehat File:Phra Suk.gif, Phra Suk File:Phra Sao.gif, Phra Sao

Weekends and holidays

Saturdays and Sundays ( th, เสาร์-อาทิตย์ ''sao athit'') are observed as legal non-workdays (, ''wan yut ratchakan'') and are generally shown on calendars in red, as are public holidays. Since 1996 and subject to declaration by the

Cabinet of Thailand The cabinet of Thailand or, formally, the Council of Ministers of Thailand ( th, คณะรัฐมนตรี; is a body composed of thirty-five of the most senior members of the government of the Kingdom of Thailand. The cabinet is the pri ...

, public holidays that fall on weekends are followed by Substitution days (, ''wan chot choei'') generally shown in a lighter shade of red, as shown above for Monday, 2 August 2004. Buddhist

feasts A festival is an event ordinarily celebrated by a community and centering on some characteristic aspect or aspects of that community and its religion or cultures. It is often marked as a local or national holiday, mela, or eid. A festival co ...

that are public holidays are calculated according to the

, so their dates change every year with respect to the solar calendar.

Lunar New Year Lunar New Year is the beginning of a calendar year whose months are moon cycles, based on the lunar calendar or lunisolar calendar. The Lunar New Year as a celebration is observed by numerous cultures. It is also named " Chinese New Year" becau ...

and other feasts observed by

Thai Chinese Thai Chinese (also known as Chinese Thais, Sino-Thais), Thais of Chinese origin ( th, ชาวไทยเชื้อสายจีน; ''exonym and also domestically''), endonym Thai people ( th, ชาวไทย), are Chinese descenda ...

vary with respect to both, as these are calculated according to the

References

{{Calendars

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 date is the designation of a single and specific day within such a system. A calendar is also a physi ...

Calendars

Calendars

Birthdays

Weeks

Weekends and holidays

See also

References