A leap year starting on Thursday is any year with 366 days (i.e. it includes 29 February) that begins on

Thursday Thursday is the day of the week between Wednesday and Friday. According to the ISO 8601 international standard, it is the fourth day of the week. In countries which adopt the "Sunday-first" convention, it is the fifth day of the week. Name Th ...

1 January, and ends on Friday 31 December. Its dominical letters hence are DC. The most recent year of such kind was

2004 2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and Its Abolition (by UNESCO). Events January * January 3 – Flash Airlines Flight 60 ...

, and the next one will be 2032 in the

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull issued by Pope Gregory XIII, which introduced it as a modification of, and replacement for, the Julian cale ...

or, likewise, 2016 and 2044 in the obsolete

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

. This is the only leap year with three occurrences of Tuesday the 13th: those three in this leap year occur three months (13 weeks) apart: in January, April, and

July July is the seventh month of the year in the Julian calendar, Julian and Gregorian calendars. Its length is 31 days. It was named by the Roman Senate in honour of Roman general Julius Caesar in 44 B.C., being the month of his birth. Before the ...

. Common years starting on Monday share this characteristic, in the months of February, March, and November. Any leap year that starts on

has two Friday the 13ths: those two in this leap year occur in February and August. This is also the only year in which February has five Sundays, as the leap day adds that extra Sunday. This year has three months (February, May and August) which begin on a weekend-day.

Calendars

Applicable years

Gregorian Calendar

Leap years that begin on Thursday, along with those starting on Monday and Saturday, occur least frequently: 13 out of 97 (≈ 13.402%) total leap years in a 400-year cycle of the

. Their overall occurrence is thus 3.25% (13 out of 400). For this kind of year, the corresponding ISO year has 53 weeks, and the ISO week 10 (which begins March 1) and all subsequent ISO weeks occur earlier than in all other years, and exactly one week earlier than common years starting on Friday, for example, June 20 falls on week 24 in common years starting on Friday, but on week 25 in leap years starting on Thursday, despite falling on Sunday in both types of year. That means that moveable holidays may occur one calendar week later than otherwise possible, e.g. Gregorian

Easter Easter, also called Pascha ( Aramaic: פַּסְחָא , ''paskha''; Greek: πάσχα, ''páskha'') or Resurrection Sunday, is a Christian festival and cultural holiday commemorating the resurrection of Jesus from the dead, described in t ...

Sunday in week 17 in years when it falls on April 25 and which are also leap years, falling on week 16 in common years.

Julian Calendar

Like all leap year types, the one starting with 1 January on a Thursday occurs exactly once in a 28-year cycle in the Julian calendar, i.e. in 3.57% of years. As the Julian calendar repeats after 28 years that means it will also repeat after 700 years, i.e. 25 cycles. The year's position in the cycle is given by the formula (((year + 8) mod 28) + 1).

Holidays

International

Valentine's Day Valentine's Day, also called Saint Valentine's Day or the Feast of Saint Valentine, is celebrated annually on February 14. It originated as a Christian feast day honoring a Christian martyrs, martyr named Saint Valentine, Valentine, and ...

falls on a Saturday * The leap day ( February 29) falls on a

Sunday Sunday (Latin: ''dies solis'' meaning "day of the sun") is the day of the week between Saturday and Monday. Sunday is a Christian sabbath, day of rest in most Western countries and a part of the Workweek and weekend, weekend. In some Middle Ea ...

* World Day for Grandparents and the Elderly falls on July 25 *

Halloween Halloween, or Hallowe'en (less commonly known as Allhalloween, All Hallows' Eve, or All Saints' Eve), is a celebration geography of Halloween, observed in many countries on 31 October, the eve of the Western Christianity, Western Christian f ...

falls on a

Christmas Day Christmas is an annual festival commemorating the birth of Jesus Christ, observed primarily on December 25 as a religious and cultural celebration among billions of people around the world. A liturgical feast central to Christianity, Chri ...

falls on a Saturday

Roman Catholic Solemnities

* Epiphany falls on a Tuesday * Candlemas falls on a

Monday Monday is the day of the week that takes place between Sunday and Tuesday. According to the International Organization for Standardization's ISO 8601 standard, it is the first day of the week. Names The names of the day of the week were co ...

* Saint Joseph's Day falls on a Friday * The Annunciation of Jesus falls on a

* The Nativity of John the Baptist falls on a

* The Solemnity of Saints Peter and Paul falls on a Tuesday * The

Transfiguration of Jesus The Transfiguration of Jesus is an event described in the New Testament where Jesus in Christianity, Jesus is Transfiguration (religion), transfigured and becomes radiant in Glory (religion), glory upon a mountain. The Synoptic Gospels (, , ) r ...

falls on a Friday * The

Assumption of Mary The Assumption of Mary is one of the four Catholic Mariology#Dogmatic teachings, Marian dogmas of the Catholic Church. Pope Pius XII defined it on 1 November 1950 in his apostolic constitution as follows: It leaves open the question of w ...

falls on a

* The Exaltation of the Holy Cross falls on a Tuesday * All Saints' Day falls on a

. This is the only year when All Saints Day falls in ISO week 45. They fall in ISO week 44 in all other years. * All Souls' Day falls on a Tuesday * The Feast of Christ the King falls on November 21 (or on its latest possible date of October 31 in versions of the calendar between 1925 and 1962) * The First Sunday of Advent falls on November 28 * The

Immaculate Conception The Immaculate Conception is the doctrine that the Virgin Mary was free of original sin from the moment of her conception. It is one of the four Mariology, Marian dogmas of the Catholic Church. Debated by medieval theologians, it was not def ...

falls on a Wednesday * Gaudete Sunday falls on December 12 * Rorate Sunday falls on December 19

Australia and New Zealand

Australia Day Australia Day is the official national day of Australia. Observed annually on 26 January, it marks the 1788 landing of the First Fleet and raising of the Flag of Great Britain, Union Flag of Great Britain by Arthur Phillip at Sydney Cove, a ...

falls on a

* Waitangi Day falls on a Friday * Daylight saving ends on April 4 * ANZAC Day falls on a

, and in some years coincides with Easter Sunday falling on its latest possible date * Mother's Day falls on May 9 *

Father's Day Father's Day is a day set aside for honoring one's father, as well as fatherhood, paternal bonds, and the influence of fathers in society. "Father's Day" complements similar celebrations honoring family members, such as Mother's Day and, in som ...

falls on September 5 * Daylight saving begins on September 26 in New Zealand and October 3 in Australia

British Isles

* Saint David's Day falls on a

. This is the only year when Saint David's Day falls in ISO week 10. They fall in ISO week 9 in all other years * Mother's Day falls on March 7,

March 14 Events Pre-1600 * 1074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. * 1590 – Battle of Ivry: Henry of Navarre and the H ...

, March 21,

March 28 Events Pre-1600 * AD 37 – Roman emperor Caligula accepts the titles of the Principate, bestowed on him by the Senate. * 193 – After assassinating the Roman Emperor Pertinax, his Praetorian Guards auction off the throne to Did ...

or on its latest possible date of April 4 * Daylight saving begins on

* Saint Patrick's Day falls on a Wednesday * Saint George's Day falls on a Friday, and in some years coincides with

Good Friday Good Friday, also known as Holy Friday, Great Friday, Great and Holy Friday, or Friday of the Passion of the Lord, is a solemn Christian holy day commemorating the crucifixion of Jesus and his death at Calvary (Golgotha). It is observed during ...

falling on its latest possible date *

falls on

June 20 Events Pre-1600 * 451 – Battle of Chalons: Flavius Aetius battles Attila the Hun. After the battle, which was inconclusive, Attila retreats, causing the Romans to interpret it as a victory. * 1180 – First Battle of Uji, startin ...

* Orangeman's Day falls on a

. This is the only year when Orangeman's Day falls in ISO week 29. They fall in ISO week 28 in all other years * Daylight saving ends on its latest possible date, October 31. This is the only year when Daylight Saving Time ends in ISO week 44. They end in ISO week 43 in all other years * Guy Fawkes Night falls on a Friday * Saint Andrew's Day falls on a Tuesday

Canada

* Daylight saving begins on its latest possible date,

. This is the only year when Daylight Saving Time begins in ISO week 11. They begin in ISO week 10 in all other years. * Mother's Day falls on May 9 * Victoria Day falls on its latest possible date, May 24. This is the only year when Victoria Day falls in ISO week 22. They fall in ISO week 21 in all other years. This is also the only year when Labour Day that precedes this type of year to Victoria Day in this type of year are 38 weeks apart. They are 37 weeks apart in all other years. This is also the only year when Father's Day that precedes this type of year to Victoria Day in this type of year are 344 days apart. They are 337 days apart in all other years. *

falls on

* Canada Day falls on a

Labour Day Labour Day is an annual day of celebration of the labour movement and its labor rights, achievements. It has its origins in the trade union, labour union movement, specifically the Eight-hour day movement, eight-hour day movement, which advoca ...

falls on September 6 * Thanksgiving Day falls on October 11 * Daylight saving ends on its latest possible date,

November 7 Events Pre-1600 * 335 – Athanasius, 20th pope of Alexandria, is banished to Trier on the charge that he prevented a grain fleet from sailing to Constantinople. * 680 – The Sixth Ecumenical Council commences in Constantinople. ...

. This is the only year when Daylight Saving Time ends in ISO week 45. They end in ISO week 44 in all other years.

United States

* Martin Luther King Jr. Day falls on

January 19 Events Pre-1600 * 379 – Emperor Gratian elevates Flavius Theodosius at Sirmium to '' Augustus'', and gives him authority over all the eastern provinces of the Roman Empire. * 649 – Conquest of Kucha: The forces of Kucha surren ...

* President's Day falls on

February 16 Events Pre-1600 * 1249 – Andrew of Longjumeau is dispatched by Louis IX of France as his ambassador to meet with the Khagan of the Mongol Empire. * 1270 – The Grand Duchy of Lithuania defeats the Livonian Order in the Battl ...

* Daylight saving begins on its latest possible date,

. This is the only year when Daylight Saving Time begins in ISO week 11. They begin in ISO week 10 in all other years. This is also the only type of year where Labor Day that precedes this type of year to start of Daylight Saving Time is 195 days apart. They are 188 days apart in all other years. This is also the only type of year where Grandparent's Day that precedes this type of year to start of Daylight Saving Time is 27 weeks apart. They are 26 weeks apart in all other years. This is also the only type of year where Father's Day that precedes this type of year to start of Daylight Saving Time is 39 weeks apart. They are 38 weeks apart in all other years. * Mother's Day falls on May 9 * Memorial Day falls on its latest possible date, May 31. This is the only year when Memorial Day falls in ISO week 23. They fall in ISO week 22 in all other years. This is also the only type of year where Labor Day that precedes this type of year to Memorial Day in this type of year are 39 weeks apart. They are 38 weeks apart in all other years. This is also the only type of year where Grandparent's Day that precedes this type of year to Memorial Day in this type of year are 267 days apart. They are 260 days apart in all other years. This is also the only type of year where Father's Day that precedes this type of year to Memorial Day in this type of year is 351 days apart. They are 344 days apart in all other years. * Juneteenth falls on a Saturday *

falls on

Independence Day An independence day is an annual event memorialization, commemorating the anniversary of a nation's independence or Sovereign state, statehood, usually after ceasing to be a group or part of another nation or state, or after the end of a milit ...

falls on a

Labor Day Labor Day is a Federal holidays in the United States, federal holiday in the United States celebrated on the first Monday of September to honor and recognize the Labor history of the United States, American labor movement and the works and con ...

falls on September 6 * Grandparents' Day falls on September 12 * Columbus Day falls on October 11 * Election Day falls on its earliest possible date, November 2. This is the only leap year to have Election Day fall during Daylight Saving Time. * Daylight saving ends on its latest possible date,

. This is the only year when Daylight Saving Time ends in ISO week 45. They end in ISO week 44 in all other years * Thanksgiving Day falls on

November 25 Events Pre-1600 *571 BC – Servius Tullius, king of Ancient Rome, Rome, celebrates the first of his three Roman triumph, triumphs for his victory over the Etruscans. *1034 – Máel Coluim II of Scotland, Máel Coluim mac Cináeda, Ki ...

References

{{DEFAULTSORT:Leap Year Starting On Thursday Gregorian calendar Julian calendar Thursday