Recognised as Date
23 July 1088
- Monday
- Q3
- Leap year
- Week 30
- Leo
23 July 1088 falls on a Monday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 205 of 366 in 1088, a leap year, falling in week 30 and quarter 3. Its Unix timestamp is -27,815,616,000.
Calendar position
Day of the weekMondayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month23rd
Day of the year205 of 366
Days remaining in the year161
Days elapsed in the year204
ISO week numberWeek 30ISO 8601, weeks start on Monday
Week of the month4th
Occurrence in the month4th Monday
MonthJuly (month 7 of 12)
QuarterQ3 1088
Year1088
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011088-07-23
British (D/M/Y)23/07/1088
American (M/D/Y)07/23/1088
Long formMonday 23rd July 1088
RFC 2822Mon, 23 Jul 1088 00:00:00 GMT
Compact10880723
In wordsthe 23rd of July, one thousand and eighty-eight
Julian calendar equivalent17 July 1088the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew25 Tammuz 4848the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)24 Rabi II 481 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 Mordad 467the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die397,223days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-27,815,616,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-27,815,616,000,000
Relationship to the epoch321,940 days before the Unix epoch
Julian Day Number2,118,648midnight UTC
Days since 1 January 1900-296,373
Days since 1 January 2000-332,897
Moon phase
PhaseWaning crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC16%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC25.9 dayssince the previous new moon
Previous new moon27 June 1088
Next new moon26 July 1088
Previous full moon12 July 1088
Next full moon11 August 1088
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.
Today18 September 2026
Days ago342,654 days
In other terms938 years, 49 days and 12 hours
Weeks48950.6 weeks ago
Anniversary this year57 days ago
Years elapsed938 complete years
Seasons & signs
Zodiac signLeoFire sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Summermeteorological seasons, by whole months
Season (Southern Hemisphere)Winter
Easter Sunday that year22 April 1088
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