Recognised as Date
20 May 1052
- Thursday
- Q2
- Leap year
- Week 21
- Taurus
20 May 1052 falls on a Thursday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 141 of 366 in 1052, a leap year, falling in week 21 and quarter 2. Its Unix timestamp is -28,957,219,200.
Calendar position
Day of the weekThursdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month20th
Day of the year141 of 366
Days remaining in the year225
Days elapsed in the year140
ISO week numberWeek 21ISO 8601, weeks start on Monday
Week of the month3rd
Occurrence in the month3rd Thursday
MonthMay (month 5 of 12)
QuarterQ2 1052
Year1052
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011052-05-20
British (D/M/Y)20/05/1052
American (M/D/Y)05/20/1052
Long formThursday 20th May 1052
RFC 2822Thu, 20 May 1052 00:00:00 GMT
Compact10520520
In wordsthe 20th of May, one thousand and fifty-two
Julian calendar equivalent14 May 1052the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew12 Sivan 4812the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)12 Muharram 444 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)30 Ordibehesht 431the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die384,010days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,957,219,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,957,219,200,000
Relationship to the epoch335,153 days before the Unix epoch
Julian Day Number2,105,435midnight UTC
Days since 1 January 1900-309,586
Days since 1 January 2000-346,110
Moon phase
PhaseWaxing gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC96%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC12.9 dayssince the previous new moon
Previous new moon7 May 1052
Next new moon5 June 1052
Previous full moon22 April 1052
Next full moon22 May 1052
Lit side, Northern HemisphereRight
Lit side, Southern HemisphereLeftthe 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.
Today21 September 2026
Days ago355,870 days
In other terms974 years, 116 days and 12 hours
Weeks50838.6 weeks ago
Anniversary this year124 days ago
Years elapsed974 complete years
Seasons & signs
Zodiac signTaurusEarth sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year28 March 1052
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