Recognised as Date
1 August 1013
- Sunday
- Q3
- Common year
- Week 30
- Leo
1 August 1013 falls on a Sunday in the proleptic Gregorian calendar, which did not yet exist at the time. It was day 213 of 365 in 1013, falling in week 30 and quarter 3. Its Unix timestamp is -30,181,680,000.
Calendar position
Day of the weekSundayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year213 of 365
Days remaining in the year152
Days elapsed in the year212
ISO week numberWeek 30ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Sunday
QuarterQ3 1013
Year1013
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011013-08-01
British (D/M/Y)01/08/1013
American (M/D/Y)08/01/1013
Long formSunday 1st August 1013
RFC 2822Sun, 01 Aug 1013 00:00:00 GMT
Compact10130801
In wordsthe 1st of August, one thousand and thirteen
Julian calendar equivalent26 July 1013the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew16 Av 4773the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)14 Muharram 404 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)10 Mordad 392the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die369,838days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-30,181,680,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-30,181,680,000,000
Relationship to the epoch349,325 days before the Unix epoch
Julian Day Number2,091,263midnight UTC
Days since 1 January 1900-323,758
Days since 1 January 2000-360,282
Relative to today
These values depend on today’s date and change daily.
Today14 September 2026
Days ago370,035 days
In other terms1,013 years, 36 days and 18 hours
Weeks52862.1 weeks ago
Anniversary this year44 days ago
Years elapsed1,013 complete years
Seasons & signs
Zodiac signLeoFire sign
Chinese zodiac yearOxthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Summermeteorological seasons, by whole months
Season (Southern Hemisphere)Winter
Easter Sunday that year11 April 1013
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