Recognised as Date
1 April 1443
- Saturday
- Q2
- Common year
- Week 13
- Aries
1 April 1443 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It was day 91 of 365 in 1443, falling in week 13 and quarter 2. Its Unix timestamp is -16,622,755,200.
Calendar position
Day of the weekSaturdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year91 of 365
Days remaining in the year274
Days elapsed in the year90
ISO week numberWeek 13ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Saturday
QuarterQ2 1443
Year1443
Days in the month30
Leap yearNo, 365 days
This date in other formats
ISO 86011443-04-01
British (D/M/Y)01/04/1443
American (M/D/Y)04/01/1443
Long formSaturday 1st April 1443
RFC 2822Sat, 01 Apr 1443 00:00:00 GMT
Compact14430401
In wordsthe 1st of April, one thousand, four hundred and forty-three
Julian calendar equivalent23 March 1443the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew22 Nisan 5203the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)21 Dhu al-Qidah 846 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 Farvardin 822the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die526,770days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-16,622,755,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-16,622,755,200,000
Relationship to the epoch192,393 days before the Unix epoch
Julian Day Number2,248,195midnight UTC
Days since 1 January 1900-166,826
Days since 1 January 2000-203,350
Relative to today
These values depend on today’s date and change daily.
Today13 September 2026
Days ago213,102 days
In other terms583 years, 161 days and 6 hours
Weeks30443.1 weeks ago
Anniversary this year165 days ago
Years elapsed583 complete years
Seasons & signs
Zodiac signAriesFire sign
Chinese zodiac yearPigthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year26 March 1443
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