Recognised as Date
13 January 1064
- Wednesday
- Q1
- Leap year
- Week 2
- Capricorn
13 January 1064 falls on a Wednesday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 13 of 366 in 1064, a leap year, falling in week 2 and quarter 1. Its Unix timestamp is -28,589,587,200. A full moon 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 month13th
Day of the year13 of 366
Days remaining in the year353
Days elapsed in the year12
ISO week numberWeek 2ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Wednesday
QuarterQ1 1064
Year1064
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011064-01-13
British (D/M/Y)13/01/1064
American (M/D/Y)01/13/1064
Long formWednesday 13th January 1064
RFC 2822Wed, 13 Jan 1064 00:00:00 GMT
Compact10640113
In wordsthe 13th of January, one thousand and sixty-four
Julian calendar equivalent7 January 1064the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew16 Shevat 4824the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)14 Muharram 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)23 Dey 442the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die388,265days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,589,587,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,589,587,200,000
Relationship to the epoch330,898 days before the Unix epoch
Julian Day Number2,109,690midnight UTC
Days since 1 January 1900-305,331
Days since 1 January 2000-341,855
Moon phase
PhaseFull moonthe 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 UTC100%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC15.9 dayssince the previous new moon
Previous new moon28 December 1063
Next new moon27 January 1064
This full moon13 January 1064
Next full moon11 February 1064
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 ago351,649 days
In other terms962 years, 278 days and 12 hours
Weeks50235.6 weeks ago
Anniversary this year285 days ago
Years elapsed962 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year17 April 1064
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Adjacent days
The same day in other years
Nerdulate something else
Nothing in mind? Surprise me · today’s page