Recognised as Date
25 January 2001
- Thursday
- Q1
- Common year
- Week 4
- Aquarius
25 January 2001 falls on a Thursday. It is day 25 of 365 in 2001, falling in week 4 and quarter 1. Its Unix timestamp is 980,380,800.
Calendar position
Day of the weekThursday
Day of the month25th
Day of the year25 of 365
Days remaining in the year340
Days elapsed in the year24
ISO week numberWeek 4ISO 8601, weeks start on Monday
Week of the month4th
Occurrence in the month4th Thursday, and the last of the month
QuarterQ1 2001
Year2001
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012001-01-25
British (D/M/Y)25/01/2001
American (M/D/Y)01/25/2001
Long formThursday 25th January 2001
RFC 2822Thu, 25 Jan 2001 00:00:00 GMT
Compact20010125
In wordsthe 25th of January, two thousand and one
This date in other calendars
Hebrew1 Shevat 5761the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)29 Shawwal 1421 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)6 Bahman 1379the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die730,510days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp980,380,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)980,380,800,000
Relationship to the epoch11,347 days after the Unix epoch
Julian Day Number2,451,935midnight UTC
Days since 1 January 190036,914
Days since 1 January 2000390
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC1%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC1 dayssince the previous new moon
Previous new moon24 January 2001, 13:07 UTC
Next new moon23 February 2001, 08:21 UTC
Previous full moon9 January 2001, 20:24 UTC
Next full moon8 February 2001, 07:12 UTC
Relative to today
These values depend on today’s date and change daily.
Today25 October 2026
Days ago9,404 days
In other terms25 years, 272 days and 18 hours
Weeks1343.4 weeks ago
Anniversary this year273 days ago
Years elapsed25 complete years
Seasons & signs
Zodiac signAquariusAir 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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