Recognised as Date
1 March 1090
- Saturday
- Q1
- Common year
- Week 9
- Pisces
1 March 1090 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 60 of 365 in 1090, falling in week 9 and quarter 1. Its Unix timestamp is -27,764,985,600.
Calendar position
Day of the weekSaturdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year60 of 365
Days remaining in the year305
Days elapsed in the year59
ISO week numberWeek 9ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Saturday
QuarterQ1 1090
Year1090
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011090-03-01
British (D/M/Y)01/03/1090
American (M/D/Y)03/01/1090
Long formSaturday 1st March 1090
RFC 2822Sat, 01 Mar 1090 00:00:00 GMT
Compact10900301
In wordsthe 1st of March, one thousand and ninety
Julian calendar equivalent23 February 1090the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew20 Adar 4850the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)20 Dhu al-Hijjah 482 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)10 Esfand 468the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die397,809days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-27,764,985,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-27,764,985,600,000
Relationship to the epoch321,354 days before the Unix epoch
Julian Day Number2,119,234midnight UTC
Days since 1 January 1900-295,787
Days since 1 January 2000-332,311
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC56%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC21 dayssince the previous new moon
Previous new moon8 February 1090
Next new moon10 March 1090
Previous full moon23 February 1090
Next full moon24 March 1090
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
PrecisionDates onlybefore 1700 or after 2150 the Earth's rotation is not known well enough to give a time, and a phase near midnight can land a day either side
Relative to today
These values depend on today’s date and change daily.
Today19 September 2026
Days ago342,069 days
In other terms936 years and 195 days
Weeks48867.0 weeks ago
Anniversary this year202 days ago
Years elapsed936 complete years
Seasons & signs
Zodiac signPiscesWater sign
Chinese zodiac yearHorsethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year30 March 1090
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