Gregorian calendar
Internationally accepted civil calendar
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We include updates on Old Style and New Style dates, Common Era, Sabbath in Christianity, Doomsday rule, Zeller's congruence, Common year starting on Friday, Common year starting on Monday, Determination of the day of the week, Common year starting on Thursday, Inter gravissimas, Common year starting on Wednesday, Leap year starting on Thursday, Century leap year, Dominical letter, Ole Rømer, Common year starting on Sunday ... and more.
| March 16 2025 |
Doomsday rule
The current year for which the Doomsday rule is being demonstrated, highlighting the ongoing utility of this calendar calculation method.
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| January 1 2025 |
Juche calendar
Official calendars were released without Juche year notation, marking the first time in decades that Juche years were not displayed, replacing what would have been Juche 114 with 2025.
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| 2024 |
Determination of the day of the week
A leap year starting on Monday, corresponding to the 1996 calendar year. The first two months correspond to the first two months of 2018, and the last ten months correspond to the last ten months of 2019.
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| 2024 |
Juche calendar
End of the noted period of widespread use of the Juche calendar as a tourist souvenir.
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| October 13 2024 |
Juche calendar
Rodong Sinmun (North Korean newspaper) stopped using the Juche calendar, switching to exclusively using the Gregorian calendar.
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| 2023 |
Determination of the day of the week
A common year starting on Sunday, corresponding to the 2017 calendar year.
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| September 1 2023 |
Adoption of the Gregorian calendar
The Ukrainian Greek Catholic Church switched to the Gregorian calendar. The Orthodox Church of Ukraine opted for the Revised Julian calendar. The Ukrainian Orthodox Church (Moscow Patriarchate) declared it would continue celebrating using the Julian calendar.
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| 2022 |
Adoption of the Gregorian calendar
Following the Russian invasion, most Christian denominations using the old Julian calendar announced plans to transition to either the Gregorian or Revised Julian calendar. The All-Ukrainian Union of Churches of Evangelical Christian Baptists and the Church of Christians of the Evangelical Faith of Ukraine (Pentecostals) switched to the Gregorian calendar.
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| 2022 |
Determination of the day of the week
A common year starting on Saturday, corresponding to the 2011 calendar year. The last ten months correspond to the last ten months of 2016.
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| 2022 |
Juche calendar
The Gregorian calendar was used alongside the Juche calendar until this year.
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| January 1 2022 |
Common year starting on Friday
A common year starting on Friday in the obsolete Julian calendar.
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| 2021 |
Determination of the day of the week
A common year starting on Friday, corresponding to the 2010 calendar year. The first two months correspond to the first two months of 2016.
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| January 1 2021 |
Common year starting on Friday
Most recent common year starting on Friday in the Gregorian calendar begins.
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| 2020 |
Determination of the day of the week
Last occurrence of a leap year starting on Wednesday.
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| 2018 |
Common year starting on Monday
The most recent common year that started on Monday in the Gregorian calendar.
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| 2018 |
Adoption of the Gregorian calendar
The Ukrainian Lutheran Church transitioned to the Revised Julian calendar.
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| 2017 |
Common year starting on Monday
Year 10 of the Julian calendar cycle where common years can start on Monday.
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| 2011 |
Juche calendar
Kim Jong Il's death in Juche year 100.
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This contents of the box above is based on material from the Wikipedia articles Common year starting on Friday, Doomsday rule, Juche calendar, Fasli calendar, Determination of the day of the week, Common year starting on Monday & Adoption of the Gregorian calendar, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.