Recognised as Date
1 December 1920
- Wednesday
- Q4
- Leap year
- Week 49
- Sagittarius
1 December 1920 was a Wednesday. It was day 336 of 366 in 1920, a leap year, falling in week 49 and quarter 4. Its Unix timestamp is -1,548,979,200.
Calendar position
Day of the weekWednesday
Day of the month1st
Day of the year336 of 366
Days remaining in the year30
Days elapsed in the year335
ISO week numberWeek 49ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Wednesday
QuarterQ4 1920
Year1920
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011920-12-01
British (D/M/Y)01/12/1920
American (M/D/Y)12/01/1920
Long formWednesday 1st December 1920
RFC 2822Wed, 01 Dec 1920 00:00:00 GMT
Compact19201201
In wordsthe 1st of December, one thousand, nine hundred and twenty
This date in other calendars
Hebrew20 Kislev 5681the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)19 Rabi I 1339 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 Azar 1299the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die701,235days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-1,548,979,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-1,548,979,200,000
Relationship to the epoch17,928 days before the Unix epoch
Julian Day Number2,422,660midnight UTC
Days since 1 January 19007,639
Days since 1 January 2000-28,885
Relative to today
These values depend on today’s date and change daily.
Today13 September 2026
Days ago38,637 days
In other terms105 years, 285 days and 18 hours
Weeks5519.6 weeks ago
Anniversary this yearin 79 days
Years elapsed105 complete years
Seasons & signs
Zodiac signSagittariusFire sign
Chinese zodiac yearMonkeythe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year4 April 1920
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