Recognised as Date
22 May 1090
- Thursday
- Q2
- Common year
- Week 21
- Gemini
22 May 1090 falls on a Thursday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 142 of 365 in 1090, falling in week 21 and quarter 2. Its Unix timestamp is -27,757,900,800. A full moon falls on this day.
Calendar position
Day of the weekThursdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month22nd
Day of the year142 of 365
Days remaining in the year223
Days elapsed in the year141
ISO week numberWeek 21ISO 8601, weeks start on Monday
Week of the month4th
Occurrence in the month4th Thursday
MonthMay (month 5 of 12)
QuarterQ2 1090
Year1090
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011090-05-22
British (D/M/Y)22/05/1090
American (M/D/Y)05/22/1090
Long formThursday 22nd May 1090
RFC 2822Thu, 22 May 1090 00:00:00 GMT
Compact10900522
In wordsthe 22nd of May, one thousand and ninety
Julian calendar equivalent16 May 1090the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew14 Sivan 4850the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)13 Rabi I 483 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)1 Khordad 469the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die397,891days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-27,757,900,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-27,757,900,800,000
Relationship to the epoch321,272 days before the Unix epoch
Julian Day Number2,119,316midnight UTC
Days since 1 January 1900-295,705
Days since 1 January 2000-332,229
Moon phase
PhaseFull moonthe instant falls on this UTC day; in time zones far enough east or west the local date is a day either side
Illuminated at 12:00 UTC100%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC14.1 dayssince the previous new moon
Previous new moon8 May 1090
Next new moon6 June 1090
This full moon22 May 1090
Next full moon20 June 1090
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 ago341,987 days
In other terms936 years and 113 days
Weeks48855.3 weeks ago
Anniversary this year120 days ago
Years elapsed936 complete years
Seasons & signs
Zodiac signGeminiAir 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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