Recognised as Date
1 December 1822
- Sunday
- Q4
- Common year
- Week 48
- Sagittarius
1 December 1822 falls on a Sunday. It is day 335 of 365 in 1822, falling in week 48 and quarter 4. Its Unix timestamp is -4,641,580,800.
Calendar position
Day of the weekSunday
Day of the month1st
Day of the year335 of 365
Days remaining in the year30
Days elapsed in the year334
ISO week numberWeek 48ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Sunday
QuarterQ4 1822
Year1822
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011822-12-01
British (D/M/Y)01/12/1822
American (M/D/Y)12/01/1822
Long formSunday 1st December 1822
RFC 2822Sun, 01 Dec 1822 00:00:00 GMT
Compact18221201
In wordsthe 1st of December, one thousand, eight hundred and twenty-two
This date in other calendars
Hebrew17 Kislev 5583the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)16 Rabi I 1238 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 1201the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die665,441days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-4,641,580,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-4,641,580,800,000
Relationship to the epoch53,722 days before the Unix epoch
Julian Day Number2,386,866midnight UTC
Days since 1 January 1900-28,155
Days since 1 January 2000-64,679
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC90%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC17.7 dayssince the previous new moon
Previous new moon13 November 1822, 18:21 UTC
Next new moon13 December 1822, 13:24 UTC
Previous full moon28 November 1822, 19:30 UTC
Next full moon28 December 1822, 06:06 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.
Today18 September 2026
Days ago74,436 days
In other terms203 years, 290 days and 6 hours
Weeks10633.7 weeks ago
Anniversary this yearin 74 days
Years elapsed203 complete years
Seasons & signs
Zodiac signSagittariusFire sign
Chinese zodiac yearHorsethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year7 April 1822
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