Date
31 December 2001
- Monday
- Q4
- Common year
- Week 1
- Capricorn
31 December 2001 was a Monday. It was day 365 of 365 in 2001, falling in week 1 and quarter 4. Its Unix timestamp is 1,009,756,800.
Calendar position
Day of the weekMonday
Day of the month31st
Day of the year365 of 365
Days remaining in the year0
Days elapsed in the year364
ISO week numberWeek 1 of 2002ISO weeks can belong to the neighbouring year
Week of the month5th
Occurrence in the month5th Monday, and the last of the month
QuarterQ4 2001
Year2001
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012001-12-31
British (D/M/Y)31/12/2001
American (M/D/Y)12/31/2001
Long formMonday 31st December 2001
RFC 2822Mon, 31 Dec 2001 00:00:00 GMT
Compact20011231
In wordsthe 31st of December, two thousand and one
Unix time & day counts
Unix timestamp1,009,756,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)1,009,756,800,000
Relationship to the epoch11,687 days after the Unix epoch
Julian Day Number2,452,275midnight UTC
Days since 1 January 190037,254
Days since 1 January 2000730
Relative to today
These values depend on today’s date and change daily.
Today9 September 2026
Days ago9,018 days
In other terms24 years and 252 days
Weeks1288.3 weeks ago
Anniversary this yearin 113 days
Years elapsed24 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearSnakethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year15 April 2001
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