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  2. Dominical letter - Wikipedia

    en.wikipedia.org/wiki/Dominical_letter

    The Dominical letter for the current year 2025 is E. Dominical letters are derived from the Roman practice of marking the repeating sequence of eight letters A–H (commencing with A on January 1) on stone calendars to indicate each day's position in the eight-day market week .

  3. Common year starting on Sunday - Wikipedia

    en.wikipedia.org/wiki/Common_year_starting_on_Sunday

    Its dominical letter hence is A. The most recent year of such kind was 2023 and the next one will be 2034 in the Gregorian calendar, [1] or, likewise, 2018 and 2029 in the obsolete Julian calendar, see below for more. Any common year that starts on a Sunday has two Friday the 13ths: those two in this common year occur in January and October.

  4. Leap year starting on Sunday - Wikipedia

    en.wikipedia.org/wiki/Leap_year_starting_on_Sunday

    Its dominical letters hence are AG. The most recent year of such kind was 2012 and the next one will be 2040 in the Gregorian calendar [1] or, likewise 2024 and 2052 in the obsolete Julian calendar. This is the only leap year with three occurrences of Friday the 13th: those three in this leap year occur three months (13 weeks) apart: in January ...

  5. Common year starting on Thursday - Wikipedia

    en.wikipedia.org/wiki/Common_year_starting_on...

    A common year starting on Thursday is any non-leap year (i.e. a year with 365 days) that begins on Thursday, 1 January, and ends on Thursday, 31 December. Its dominical letter hence is D . The most recent year of such kind was 2015 , and the next one will be 2026 in the Gregorian calendar [ 1 ] or, likewise, 2021 and 2027 in the obsolete Julian ...

  6. Leap year starting on Thursday - Wikipedia

    en.wikipedia.org/wiki/Leap_year_starting_on_Thursday

    A leap year starting on Thursday is any year with 366 days (i.e. it includes 29 February) that begins on Thursday 1 January, and ends on Friday 31 December. Its dominical letters hence are DC. The most recent year of such kind was 2004, and the next one will be 2032 in the Gregorian calendar [1] or, likewise, 2016 and 2044 in the obsolete ...

  7. Doomsday rule - Wikipedia

    en.wikipedia.org/wiki/Doomsday_rule

    For the year 2025, the dominical letter is A + 3 = E. Overview of all Doomsdays. Month Dates Week numbers * January (common years) 3, 10, 17, 24, 31: 1–5

  8. Common year starting on Saturday - Wikipedia

    en.wikipedia.org/wiki/Common_year_starting_on...

    A common year starting on Saturday is any non-leap year (i.e. a year with 365 days) that begins on Saturday, 1 January, and ends on Saturday, 31 December. Its dominical letter hence is B. The most recent year of such kind was 2022 and the next one will be 2033 in the Gregorian calendar [1] or, likewise, 2023 and 2034 in the obsolete Julian ...

  9. Common year starting on Wednesday - Wikipedia

    en.wikipedia.org/wiki/Common_year_starting_on...

    A common year starting on Wednesday is any non-leap year (a year with 365 days) that begins on Wednesday, 1 January, and ends on Wednesday, 31 December. Its dominical letter hence is E . The current year, 2025 , is a common year starting on Wednesday in the Gregorian calendar , and the next such year will be 2031, [ 1 ] or, likewise, 2015 and ...