Recognised as Date
30 March 1012
- Monday
- Q1
- Leap year
- Week 14
- Aries
30 March 1012 falls on a Monday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 90 of 366 in 1012, a leap year, falling in week 14 and quarter 1. Its Unix timestamp is -30,223,929,600.
Calendar position
Day of the weekMondayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month30th
Day of the year90 of 366
Days remaining in the year276
Days elapsed in the year89
ISO week numberWeek 14ISO 8601, weeks start on Monday
Week of the month5th
Occurrence in the month5th Monday, and the last of the month
QuarterQ1 1012
Year1012
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011012-03-30
British (D/M/Y)30/03/1012
American (M/D/Y)03/30/1012
Long formMonday 30th March 1012
RFC 2822Mon, 30 Mar 1012 00:00:00 GMT
Compact10120330
In wordsthe 30th of March, one thousand and twelve
Julian calendar equivalent24 March 1012the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew27 Adar II 4772the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)27 Shaban 402 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 391the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die369,349days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-30,223,929,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-30,223,929,600,000
Relationship to the epoch349,814 days before the Unix epoch
Julian Day Number2,090,774midnight UTC
Days since 1 January 1900-324,247
Days since 1 January 2000-360,771
Moon phase
PhaseWaning crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC1%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC28.8 dayssince the previous new moon
Previous new moon1 March 1012
Next new moon31 March 1012
Previous full moon17 March 1012
Next full moon15 April 1012
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 ago370,528 days
In other terms1,014 years, 164 days and 12 hours
Weeks52932.6 weeks ago
Anniversary this year172 days ago
Years elapsed1,014 complete years
Seasons & signs
Zodiac signAriesFire sign
Chinese zodiac yearRatthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year19 April 1012
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