Recognised as Date
30 March 1242
- Sunday
- Q1
- Common year
- Week 13
- Aries
30 March 1242 falls on a Sunday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 89 of 365 in 1242, falling in week 13 and quarter 1. Its Unix timestamp is -22,965,811,200.
Calendar position
Day of the weekSundayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month30th
Day of the year89 of 365
Days remaining in the year276
Days elapsed in the year88
ISO week numberWeek 13ISO 8601, weeks start on Monday
Week of the month5th
Occurrence in the month5th Sunday, and the last of the month
QuarterQ1 1242
Year1242
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011242-03-30
British (D/M/Y)30/03/1242
American (M/D/Y)03/30/1242
Long formSunday 30th March 1242
RFC 2822Sun, 30 Mar 1242 00:00:00 GMT
Compact12420330
In wordsthe 30th of March, one thousand, two hundred and forty-two
Julian calendar equivalent23 March 1242the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew20 Nisan 5002the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)19 Ramadan 639 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 Farvardin 621the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die453,355days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-22,965,811,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-22,965,811,200,000
Relationship to the epoch265,808 days before the Unix epoch
Julian Day Number2,174,780midnight UTC
Days since 1 January 1900-240,241
Days since 1 January 2000-276,765
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC68%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC20.2 dayssince the previous new moon
Previous new moon10 March 1242
Next new moon8 April 1242
Previous full moon25 March 1242
Next full moon23 April 1242
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 ago286,522 days
In other terms784 years and 166 days
Weeks40931.7 weeks ago
Anniversary this year172 days ago
Years elapsed784 complete years
Seasons & signs
Zodiac signAriesFire sign
Chinese zodiac yearTigerthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year30 March 1242
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