Recognised as Date
1 January 1010
- Monday
- Q1
- Common year
- Week 1
- Capricorn
1 January 1010 falls on a Monday in the proleptic Gregorian calendar, which did not yet exist at the time. It was day 1 of 365 in 1010, falling in week 1 and quarter 1. Its Unix timestamp is -30,294,691,200.
Calendar position
Day of the weekMondayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year1 of 365
Days remaining in the year364
Days elapsed in the year0
ISO week numberWeek 1ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Monday
QuarterQ1 1010
Year1010
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011010-01-01
British (D/M/Y)01/01/1010
American (M/D/Y)01/01/1010
Long formMonday 1st January 1010
RFC 2822Mon, 01 Jan 1010 00:00:00 GMT
Compact10100101
In wordsthe 1st of January, one thousand and ten
Julian calendar equivalent26 December 1009the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew7 Tevet 4770the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)6 Jumada I 400 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)11 Dey 388the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die368,530days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-30,294,691,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-30,294,691,200,000
Relationship to the epoch350,633 days before the Unix epoch
Julian Day Number2,089,955midnight UTC
Days since 1 January 1900-325,066
Days since 1 January 2000-361,590
Relative to today
These values depend on today’s date and change daily.
Today13 September 2026
Days ago371,342 days
In other terms1,016 years and 248 days
Weeks53048.9 weeks ago
Anniversary this year255 days ago
Years elapsed1,016 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearDogthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year8 April 1010
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