Recognised as Date
30 December 1920
- Thursday
- Q4
- Leap year
- Week 53
- Capricorn
30 December 1920 falls on a Thursday. It is day 365 of 366 in 1920, a leap year, falling in week 53 and quarter 4. Its Unix timestamp is -1,546,473,600.
Calendar position
Day of the weekThursday
Day of the month30th
Day of the year365 of 366
Days remaining in the year1
Days elapsed in the year364
ISO week numberWeek 53ISO 8601, weeks start on Monday
Week of the month5th
Occurrence in the month5th Thursday, and the last of the month
QuarterQ4 1920
Year1920
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011920-12-30
British (D/M/Y)30/12/1920
American (M/D/Y)12/30/1920
Long formThursday 30th December 1920
RFC 2822Thu, 30 Dec 1920 00:00:00 GMT
Compact19201230
In wordsthe 30th of December, one thousand, nine hundred and twenty
This date in other calendars
Hebrew19 Tevet 5681the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)18 Rabi II 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)9 Dey 1299the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die701,264days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-1,546,473,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-1,546,473,600,000
Relationship to the epoch17,899 days before the Unix epoch
Julian Day Number2,422,689midnight UTC
Days since 1 January 19007,668
Days since 1 January 2000-28,856
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC68%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC20.1 dayssince the previous new moon
Previous new moon10 December 1920, 10:04 UTC
Next new moon9 January 1921, 05:26 UTC
Previous full moon25 December 1920, 12:38 UTC
Next full moon23 January 1921, 23:08 UTC
Lit side, Northern HemisphereLeft
Lit side, Southern HemisphereRightthe 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
Relative to today
These values depend on today’s date and change daily.
Today21 September 2026
Days ago38,616 days
In other terms105 years, 264 days and 18 hours
Weeks5516.6 weeks ago
Anniversary this yearin 100 days
Years elapsed105 complete years
Seasons & signs
Zodiac signCapricornEarth 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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