Recognised as Date
1 February 1066
- Thursday
- Q1
- Common year
- Week 5
- Aquarius
1 February 1066 falls on a Thursday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 32 of 365 in 1066, falling in week 5 and quarter 1. Its Unix timestamp is -28,524,787,200.
Calendar position
Day of the weekThursdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year32 of 365
Days remaining in the year333
Days elapsed in the year31
ISO week numberWeek 5ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Thursday
QuarterQ1 1066
Year1066
Days in the month28
Leap yearNo, 365 days
This date in other formats
ISO 86011066-02-01
British (D/M/Y)01/02/1066
American (M/D/Y)02/01/1066
Long formThursday 1st February 1066
RFC 2822Thu, 01 Feb 1066 00:00:00 GMT
Compact10660201
In wordsthe 1st of February, one thousand and sixty-six
Julian calendar equivalent26 January 1066the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew27 Shevat 4826the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)25 Safar 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)12 Bahman 444the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die389,015days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,524,787,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,524,787,200,000
Relationship to the epoch330,148 days before the Unix epoch
Julian Day Number2,110,440midnight UTC
Days since 1 January 1900-304,581
Days since 1 January 2000-341,105
Moon phase
PhaseWaning crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC5%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC27.5 dayssince the previous new moon
Previous new moon5 January 1066
Next new moon3 February 1066
Previous full moon20 January 1066
Next full moon19 February 1066
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.
Today25 October 2026
Days ago350,899 days
In other terms960 years and 259 days
Weeks50128.4 weeks ago
Anniversary this year266 days ago
Years elapsed960 complete years
Seasons & signs
Zodiac signAquariusAir sign
Chinese zodiac yearHorsethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year22 April 1066
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