Recognised as Date
1 May 1080
- Saturday
- Q2
- Leap year
- Week 18
- Taurus
1 May 1080 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It was day 122 of 366 in 1080, a leap year, falling in week 18 and quarter 2. Its Unix timestamp is -28,075,248,000.
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 year122 of 366
Days remaining in the year244
Days elapsed in the year121
ISO week numberWeek 18ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Saturday
MonthMay (month 5 of 12)
QuarterQ2 1080
Year1080
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011080-05-01
British (D/M/Y)01/05/1080
American (M/D/Y)05/01/1080
Long formSaturday 1st May 1080
RFC 2822Sat, 01 May 1080 00:00:00 GMT
Compact10800501
In wordsthe 1st of May, one thousand and eighty
Julian calendar equivalent25 April 1080the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew3 Iyyar 4840the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)2 Dhu al-Qidah 472 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)11 Ordibehesht 459the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die394,218days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,075,248,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,075,248,000,000
Relationship to the epoch324,945 days before the Unix epoch
Julian Day Number2,115,643midnight UTC
Days since 1 January 1900-299,378
Days since 1 January 2000-335,902
Relative to today
These values depend on today’s date and change daily.
Today14 September 2026
Days ago345,655 days
In other terms946 years, 128 days and 12 hours
Weeks49379.3 weeks ago
Anniversary this year136 days ago
Years elapsed946 complete years
Seasons & signs
Zodiac signTaurusEarth sign
Chinese zodiac yearMonkeythe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year18 April 1080
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