Recognised as Date
1 January 2010
- Friday
- Q1
- Common year
- Week 53
- Capricorn
1 January 2010 was a Friday. It was day 1 of 365 in 2010, falling in week 53 and quarter 1. Its Unix timestamp is 1,262,304,000.
Calendar position
Day of the weekFriday
Day of the month1st
Day of the year1 of 365
Days remaining in the year364
Days elapsed in the year0
ISO week numberWeek 53 of 2009ISO weeks can belong to the neighbouring year
Week of the month1st
Occurrence in the month1st Friday
QuarterQ1 2010
Year2010
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012010-01-01
British (D/M/Y)01/01/2010
American (M/D/Y)01/01/2010
Long formFriday 1st January 2010
RFC 2822Fri, 01 Jan 2010 00:00:00 GMT
Compact20100101
In wordsthe 1st of January, two thousand and ten
This date in other calendars
Hebrew15 Tevet 5770the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)15 Muharram 1431 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 1388the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die733,773days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp1,262,304,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)1,262,304,000,000
Relationship to the epoch14,610 days after the Unix epoch
Julian Day Number2,455,198midnight UTC
Days since 1 January 190040,177
Days since 1 January 20003,653
Relative to today
These values depend on today’s date and change daily.
Today13 September 2026
Days ago6,099 days
In other terms16 years and 255 days
Weeks871.3 weeks ago
Anniversary this year255 days ago
Years elapsed16 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearTigerthe 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 2010
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