Recognised as Date
31 December 1473
- Wednesday
- Q4
- Common year
- Week 1
- Capricorn
31 December 1473 falls on a Wednesday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 365 of 365 in 1473, falling in week 1 and quarter 4. Its Unix timestamp is -15,652,310,400.
Calendar position
Day of the weekWednesdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month31st
Day of the year365 of 365
Days remaining in the year0
Days elapsed in the year364
ISO week numberWeek 1 of 1474ISO weeks can belong to the neighbouring year
Week of the month5th
Occurrence in the month5th Wednesday, and the last of the month
QuarterQ4 1473
Year1473
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011473-12-31
British (D/M/Y)31/12/1473
American (M/D/Y)12/31/1473
Long formWednesday 31st December 1473
RFC 2822Wed, 31 Dec 1473 00:00:00 GMT
Compact14731231
In wordsthe 31st of December, one thousand, four hundred and seventy-three
Julian calendar equivalent22 December 1473the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew2 Tevet 5234the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)1 Shaban 878 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)10 Dey 852the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die538,002days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-15,652,310,400seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-15,652,310,400,000
Relationship to the epoch181,161 days before the Unix epoch
Julian Day Number2,259,427midnight UTC
Days since 1 January 1900-155,594
Days since 1 January 2000-192,118
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC12%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC2.9 dayssince the previous new moon
Previous new moon28 December 1473
Next new moon27 January 1474
Previous full moon13 December 1473
Next full moon12 January 1474
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.
Today19 September 2026
Days ago201,876 days
In other terms552 years and 258 days
Weeks28839.4 weeks ago
Anniversary this yearin 103 days
Years elapsed552 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearSnakethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year23 March 1473
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