Recognised as Date
23 June 1021
- Saturday
- Q2
- Common year
- Week 25
- Cancer
23 June 1021 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 174 of 365 in 1021, falling in week 25 and quarter 2. Its Unix timestamp is -29,932,588,800.
Calendar position
Day of the weekSaturdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month23rd
Day of the year174 of 365
Days remaining in the year191
Days elapsed in the year173
ISO week numberWeek 25ISO 8601, weeks start on Monday
Week of the month4th
Occurrence in the month4th Saturday
MonthJune (month 6 of 12)
QuarterQ2 1021
Year1021
Days in the month30
Leap yearNo, 365 days
This date in other formats
ISO 86011021-06-23
British (D/M/Y)23/06/1021
American (M/D/Y)06/23/1021
Long formSaturday 23rd June 1021
RFC 2822Sat, 23 Jun 1021 00:00:00 GMT
Compact10210623
In wordsthe 23rd of June, one thousand and twenty-one
Julian calendar equivalent17 June 1021the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew3 Tammuz 4781the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)3 Rabi I 412 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)2 Tir 400the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die372,721days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-29,932,588,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-29,932,588,800,000
Relationship to the epoch346,442 days before the Unix epoch
Julian Day Number2,094,146midnight UTC
Days since 1 January 1900-320,875
Days since 1 January 2000-357,399
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC18%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC4.4 dayssince the previous new moon
Previous new moon19 June 1021
Next new moon18 July 1021
Previous full moon3 June 1021
Next full moon3 July 1021
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.
Today19 September 2026
Days ago367,157 days
In other terms1,005 years, 80 days and 18 hours
Weeks52451.0 weeks ago
Anniversary this year88 days ago
Years elapsed1,005 complete years
Seasons & signs
Zodiac signCancerWater sign
Chinese zodiac yearRoosterthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Summermeteorological seasons, by whole months
Season (Southern Hemisphere)Winter
Easter Sunday that year8 April 1021
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Adjacent days
The same day in other years
Nerdulate something else
Nothing in mind? Surprise me · today’s page