Date
1 April 1204
- Thursday
- Q2
- Leap year
- Week 14
- Aries
1 April 1204 falls on a Thursday in the proleptic Gregorian calendar, which did not yet exist at the time. It was day 92 of 366 in 1204, a leap year, falling in week 14 and quarter 2. Its Unix timestamp is -24,164,784,000.
Calendar position
Day of the weekThursdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year92 of 366
Days remaining in the year274
Days elapsed in the year91
ISO week numberWeek 14ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Thursday
QuarterQ2 1204
Year1204
Days in the month30
Leap yearYes, 366 days
This date in other formats
ISO 86011204-04-01
British (D/M/Y)01/04/1204
American (M/D/Y)04/01/1204
Long formThursday 1st April 1204
RFC 2822Thu, 01 Apr 1204 00:00:00 GMT
Compact12040401
In wordsthe 1st of April, one thousand, two hundred and four
Julian calendar equivalent25 March 1204the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew22 Nisan 4964the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)21 Rajab 600 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)12 Farvardin 583the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die439,478days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-24,164,784,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-24,164,784,000,000
Relationship to the epoch279,685 days before the Unix epoch
Julian Day Number2,160,903midnight UTC
Days since 1 January 1900-254,118
Days since 1 January 2000-290,642
Relative to today
These values depend on today’s date and change daily.
Today9 September 2026
Days ago300,390 days
In other terms822 years, 154 days and 12 hours
Weeks42912.9 weeks ago
Anniversary this year161 days ago
Years elapsed822 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 year28 March 1204
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