Recognised as Date
1 April 1004
- Sunday
- Q2
- Leap year
- Week 13
- Aries
1 April 1004 falls on a Sunday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 92 of 366 in 1004, a leap year, falling in week 13 and quarter 2. Its Unix timestamp is -30,476,217,600.
Calendar position
Day of the weekSundayproleptic 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 13ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Sunday
QuarterQ2 1004
Year1004
Days in the month30
Leap yearYes, 366 days
This date in other formats
ISO 86011004-04-01
British (D/M/Y)01/04/1004
American (M/D/Y)04/01/1004
Long formSunday 1st April 1004
RFC 2822Sun, 01 Apr 1004 00:00:00 GMT
Compact10040401
In wordsthe 1st of April, one thousand and four
Julian calendar equivalent26 March 1004the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew2 Nisan 4764the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)1 Jumada II 394 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 383the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die366,429days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-30,476,217,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-30,476,217,600,000
Relationship to the epoch352,734 days before the Unix epoch
Julian Day Number2,087,854midnight UTC
Days since 1 January 1900-327,167
Days since 1 January 2000-363,691
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC8%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC2.8 dayssince the previous new moon
Previous new moon29 March 1004
Next new moon28 April 1004
Previous full moon15 March 1004
Next full moon14 April 1004
Lit side, Northern HemisphereRight
Lit side, Southern HemisphereLeftthe 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 ago373,448 days
In other terms1,022 years, 162 days and 12 hours
Weeks53349.7 weeks ago
Anniversary this year170 days ago
Years elapsed1,022 complete years
Seasons & signs
Zodiac signAriesFire sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year15 April 1004
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