Recognised as Date
4 September 2001
- Tuesday
- Q3
- Common year
- Week 36
- Virgo
4 September 2001 falls on a Tuesday. It is day 247 of 365 in 2001, falling in week 36 and quarter 3. Its Unix timestamp is 999,561,600.
Calendar position
Day of the weekTuesday
Day of the month4th
Day of the year247 of 365
Days remaining in the year118
Days elapsed in the year246
ISO week numberWeek 36ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Tuesday
QuarterQ3 2001
Year2001
Days in the month30
Leap yearNo, 365 days
This date in other formats
ISO 86012001-09-04
British (D/M/Y)04/09/2001
American (M/D/Y)09/04/2001
Long formTuesday 4th September 2001
RFC 2822Tue, 04 Sep 2001 00:00:00 GMT
Compact20010904
In wordsthe 4th of September, two thousand and one
This date in other calendars
Hebrew16 Elul 5761the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)15 Jumada II 1422 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)13 Shahrivar 1380the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die730,732days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp999,561,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)999,561,600,000
Relationship to the epoch11,569 days after the Unix epoch
Julian Day Number2,452,157midnight UTC
Days since 1 January 190037,136
Days since 1 January 2000612
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC98%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC16.4 dayssince the previous new moon
Previous new moon19 August 2001, 02:55 UTC
Next new moon17 September 2001, 10:27 UTC
Previous full moon2 September 2001, 21:43 UTC
Next full moon2 October 2001, 13:49 UTC
Relative to today
These values depend on today’s date and change daily.
Today18 September 2026
Days ago9,145 days
In other terms25 years, 13 days and 18 hours
Weeks1306.4 weeks ago
Anniversary this year14 days ago
Years elapsed25 complete years
Seasons & signs
Zodiac signVirgoEarth sign
Chinese zodiac yearSnakethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year15 April 2001
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