Recognised as Date
1 September 1066
- Saturday
- Q3
- Common year
- Week 35
- Virgo
1 September 1066 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 244 of 365 in 1066, falling in week 35 and quarter 3. Its Unix timestamp is -28,506,470,400.
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 year244 of 365
Days remaining in the year121
Days elapsed in the year243
ISO week numberWeek 35ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Saturday
QuarterQ3 1066
Year1066
Days in the month30
Leap yearNo, 365 days
This date in other formats
ISO 86011066-09-01
British (D/M/Y)01/09/1066
American (M/D/Y)09/01/1066
Long formSaturday 1st September 1066
RFC 2822Sat, 01 Sep 1066 00:00:00 GMT
Compact10660901
In wordsthe 1st of September, one thousand and sixty-six
Julian calendar equivalent26 August 1066the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew2 Elul 4826the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)1 Shawwal 458 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 Shahrivar 445the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die389,227days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,506,470,400seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,506,470,400,000
Relationship to the epoch329,936 days before the Unix epoch
Julian Day Number2,110,652midnight UTC
Days since 1 January 1900-304,369
Days since 1 January 2000-340,893
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC9%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC2.8 dayssince the previous new moon
Previous new moon29 August 1066
Next new moon28 September 1066
Previous full moon14 August 1066
Next full moon12 September 1066
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.
Today25 October 2026
Days ago350,687 days
In other terms960 years and 47 days
Weeks50098.1 weeks ago
Anniversary this year54 days ago
Years elapsed960 complete years
Seasons & signs
Zodiac signVirgoEarth sign
Chinese zodiac yearHorsethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year22 April 1066
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