Recognised as Date
1 September 1413
- Wednesday
- Q3
- Common year
- Week 35
- Virgo
1 September 1413 falls on a Wednesday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 244 of 365 in 1413, falling in week 35 and quarter 3. Its Unix timestamp is -17,556,220,800.
Calendar position
Day of the weekWednesdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year244 of 365
Days remaining in the year121
Days elapsed in the year243
ISO week numberWeek 35ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Wednesday
QuarterQ3 1413
Year1413
Days in the month30
Leap yearNo, 365 days
This date in other formats
ISO 86011413-09-01
British (D/M/Y)01/09/1413
American (M/D/Y)09/01/1413
Long formWednesday 1st September 1413
RFC 2822Wed, 01 Sep 1413 00:00:00 GMT
Compact14130901
In wordsthe 1st of September, one thousand, four hundred and thirteen
Julian calendar equivalent23 August 1413the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew25 Elul 5173the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)25 Jumada I 816 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 Shahrivar 792the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die515,966days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-17,556,220,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-17,556,220,800,000
Relationship to the epoch203,197 days before the Unix epoch
Julian Day Number2,237,391midnight UTC
Days since 1 January 1900-177,630
Days since 1 January 2000-214,154
Moon phase
PhaseWaning crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC8%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC26.6 dayssince the previous new moon
Previous new moon5 August 1413
Next new moon4 September 1413
Previous full moon20 August 1413
Next full moon19 September 1413
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.
Today19 September 2026
Days ago223,912 days
In other terms613 years, 13 days and 18 hours
Weeks31987.4 weeks ago
Anniversary this year18 days ago
Years elapsed613 complete years
Seasons & signs
Zodiac signVirgoEarth sign
Chinese zodiac yearSnakethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year28 March 1413
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