Recognised as Date
23 March 2011
- Wednesday
- Q1
- Common year
- Week 12
- Aries
23 March 2011 falls on a Wednesday. It is day 82 of 365 in 2011, falling in week 12 and quarter 1. Its Unix timestamp is 1,300,838,400.
Calendar position
Day of the weekWednesday
Day of the month23rd
Day of the year82 of 365
Days remaining in the year283
Days elapsed in the year81
ISO week numberWeek 12ISO 8601, weeks start on Monday
Week of the month4th
Occurrence in the month4th Wednesday
QuarterQ1 2011
Year2011
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012011-03-23
British (D/M/Y)23/03/2011
American (M/D/Y)03/23/2011
Long formWednesday 23rd March 2011
RFC 2822Wed, 23 Mar 2011 00:00:00 GMT
Compact20110323
In wordsthe 23rd of March, two thousand and eleven
This date in other calendars
Hebrew17 Adar II 5771the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)17 Rabi II 1432 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)3 Farvardin 1390the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die734,219days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp1,300,838,400seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)1,300,838,400,000
Relationship to the epoch15,056 days after the Unix epoch
Julian Day Number2,455,644midnight UTC
Days since 1 January 190040,623
Days since 1 January 20004,099
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC81%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC18.6 dayssince the previous new moon
Previous new moon4 March 2011, 20:46 UTC
Next new moon3 April 2011, 14:32 UTC
Previous full moon19 March 2011, 18:10 UTC
Next full moon18 April 2011, 02:44 UTC
Lit side, Northern HemisphereLeft
Lit side, Southern HemisphereRightthe same Moon seen from the other side of the equator; near the equator the lit side points up or down rather than to one side
Relative to today
These values depend on today’s date and change daily.
Today19 September 2026
Days ago5,659 days
In other terms15 years, 180 days and 6 hours
Weeks808.4 weeks ago
Anniversary this year180 days ago
Years elapsed15 complete years
Seasons & signs
Zodiac signAriesFire sign
Chinese zodiac yearRabbitthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year24 April 2011
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