Recognised as Date
1 December 1441
- Wednesday
- Q4
- Common year
- Week 48
- Sagittarius
1 December 1441 falls on a Wednesday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 335 of 365 in 1441, falling in week 48 and quarter 4. Its Unix timestamp is -16,664,745,600.
Calendar position
Day of the weekWednesdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
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 Wednesday
QuarterQ4 1441
Year1441
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011441-12-01
British (D/M/Y)01/12/1441
American (M/D/Y)12/01/1441
Long formWednesday 1st December 1441
RFC 2822Wed, 01 Dec 1441 00:00:00 GMT
Compact14411201
In wordsthe 1st of December, one thousand, four hundred and forty-one
Julian calendar equivalent22 November 1441the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew8 Kislev 5202the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)8 Rajab 845 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 820the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die526,284days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-16,664,745,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-16,664,745,600,000
Relationship to the epoch192,879 days before the Unix epoch
Julian Day Number2,247,709midnight UTC
Days since 1 January 1900-167,312
Days since 1 January 2000-203,836
Moon phase
PhaseWaxing gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC57%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC8.6 dayssince the previous new moon
Previous new moon22 November 1441
Next new moon22 December 1441
Previous full moon8 November 1441
Next full moon7 December 1441
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 ago213,594 days
In other terms584 years and 288 days
Weeks30513.4 weeks ago
Anniversary this yearin 73 days
Years elapsed584 complete years
Seasons & signs
Zodiac signSagittariusFire sign
Chinese zodiac yearRoosterthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year18 April 1441
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