Recognised as Date
3 December 1438
- Monday
- Q4
- Common year
- Week 49
- Sagittarius
3 December 1438 falls on a Monday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 337 of 365 in 1438, falling in week 49 and quarter 4. Its Unix timestamp is -16,759,267,200. A first quarter falls on this day.
Calendar position
Day of the weekMondayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month3rd
Day of the year337 of 365
Days remaining in the year28
Days elapsed in the year336
ISO week numberWeek 49ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Monday
QuarterQ4 1438
Year1438
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011438-12-03
British (D/M/Y)03/12/1438
American (M/D/Y)12/03/1438
Long formMonday 3rd December 1438
RFC 2822Mon, 03 Dec 1438 00:00:00 GMT
Compact14381203
In wordsthe 3rd of December, one thousand, four hundred and thirty-eight
Julian calendar equivalent24 November 1438the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew6 Kislev 5199the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)6 Jumada II 842 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)12 Azar 817the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die525,190days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-16,759,267,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-16,759,267,200,000
Relationship to the epoch193,973 days before the Unix epoch
Julian Day Number2,246,615midnight UTC
Days since 1 January 1900-168,406
Days since 1 January 2000-204,930
Moon phase
PhaseFirst quarterthe instant falls on this UTC day; in time zones far enough east or west the local date is a day either side
Illuminated at 12:00 UTC54%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC7 dayssince the previous new moon
Previous new moon26 November 1438
Next new moon25 December 1438
Previous full moon11 November 1438
Next full moon10 December 1438
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 ago214,688 days
In other terms587 years, 286 days and 6 hours
Weeks30669.7 weeks ago
Anniversary this yearin 75 days
Years elapsed587 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 year22 April 1438
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