Recognised as Date
2 December 1204
- Thursday
- Q4
- Leap year
- Week 49
- Sagittarius
2 December 1204 falls on a Thursday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 337 of 366 in 1204, a leap year, falling in week 49 and quarter 4. Its Unix timestamp is -24,143,616,000.
Calendar position
Day of the weekThursdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month2nd
Day of the year337 of 366
Days remaining in the year29
Days elapsed in the year336
ISO week numberWeek 49ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Thursday
QuarterQ4 1204
Year1204
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011204-12-02
British (D/M/Y)02/12/1204
American (M/D/Y)12/02/1204
Long formThursday 2nd December 1204
RFC 2822Thu, 02 Dec 1204 00:00:00 GMT
Compact12041202
In wordsthe 2nd of December, one thousand, two hundred and four
Julian calendar equivalent25 November 1204the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew2 Tevet 4965the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)30 Rabi I 601 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)11 Azar 583the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die439,723days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-24,143,616,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-24,143,616,000,000
Relationship to the epoch279,440 days before the Unix epoch
Julian Day Number2,161,148midnight UTC
Days since 1 January 1900-253,873
Days since 1 January 2000-290,397
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC5%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC2.1 dayssince the previous new moon
Previous new moon30 November 1204
Next new moon30 December 1204
Previous full moon16 November 1204
Next full moon15 December 1204
Lit side, Northern HemisphereRight
Lit side, Southern HemisphereLeftthe same Moon seen from the other side of the equator; near the equator the lit side points up or down rather than to one side
PrecisionDates onlybefore 1700 or after 2150 the Earth's rotation is not known well enough to give a time, and a phase near midnight can land a day either side
Relative to today
These values depend on today’s date and change daily.
Today20 September 2026
Days ago300,156 days
In other terms821 years, 285 days and 18 hours
Weeks42879.4 weeks ago
Anniversary this yearin 73 days
Years elapsed821 complete years
Seasons & signs
Zodiac signSagittariusFire sign
Chinese zodiac yearRatthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year28 March 1204
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