Recognised as Date
1 March 1258
- Friday
- Q1
- Common year
- Week 9
- Pisces
1 March 1258 falls on a Friday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 60 of 365 in 1258, falling in week 9 and quarter 1. Its Unix timestamp is -22,463,395,200.
Calendar position
Day of the weekFridayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year60 of 365
Days remaining in the year305
Days elapsed in the year59
ISO week numberWeek 9ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Friday
QuarterQ1 1258
Year1258
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011258-03-01
British (D/M/Y)01/03/1258
American (M/D/Y)03/01/1258
Long formFriday 1st March 1258
RFC 2822Fri, 01 Mar 1258 00:00:00 GMT
Compact12580301
In wordsthe 1st of March, one thousand, two hundred and fifty-eight
Julian calendar equivalent22 February 1258the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew17 Adar 5018the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)16 Safar 656 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)11 Esfand 636the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die459,170days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-22,463,395,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-22,463,395,200,000
Relationship to the epoch259,993 days before the Unix epoch
Julian Day Number2,180,595midnight UTC
Days since 1 January 1900-234,426
Days since 1 January 2000-270,950
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC89%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC17.4 dayssince the previous new moon
Previous new moon12 February 1258
Next new moon13 March 1258
Previous full moon26 February 1258
Next full moon28 March 1258
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.
Today18 September 2026
Days ago280,707 days
In other terms768 years and 195 days
Weeks40101.0 weeks ago
Anniversary this year201 days ago
Years elapsed768 complete years
Seasons & signs
Zodiac signPiscesWater sign
Chinese zodiac yearHorsethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year31 March 1258
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