Recognised as Date
12 October 1064
- Wednesday
- Q4
- Leap year
- Week 41
- Libra
12 October 1064 falls on a Wednesday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 286 of 366 in 1064, a leap year, falling in week 41 and quarter 4. Its Unix timestamp is -28,566,000,000. A last quarter falls on this day.
Calendar position
Day of the weekWednesdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month12th
Day of the year286 of 366
Days remaining in the year80
Days elapsed in the year285
ISO week numberWeek 41ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Wednesday
QuarterQ4 1064
Year1064
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011064-10-12
British (D/M/Y)12/10/1064
American (M/D/Y)10/12/1064
Long formWednesday 12th October 1064
RFC 2822Wed, 12 Oct 1064 00:00:00 GMT
Compact10641012
In wordsthe 12th of October, one thousand and sixty-four
Julian calendar equivalent6 October 1064the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew23 Tishri 4825the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)21 Shawwal 456 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)20 Mehr 443the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die388,538days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,566,000,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,566,000,000,000
Relationship to the epoch330,625 days before the Unix epoch
Julian Day Number2,109,963midnight UTC
Days since 1 January 1900-305,058
Days since 1 January 2000-341,582
Moon phase
PhaseLast quarterthe instant falls on this UTC day; in time zones far enough east or west the local date is a day either side
Illuminated at 12:00 UTC48%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC22.9 dayssince the previous new moon
Previous new moon19 September 1064
Next new moon19 October 1064
Previous full moon4 October 1064
Next full moon3 November 1064
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.
Today26 October 2026
Days ago351,377 days
In other terms962 years, 6 days and 12 hours
Weeks50196.7 weeks ago
Anniversary this year14 days ago
Years elapsed962 complete years
Seasons & signs
Zodiac signLibraAir sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year17 April 1064
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