April 1
April 1 is the 92nd day of the year in the Gregorian calendar; 274 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Aries.
Day of year
92
Days remaining
274
ISO week
14
Zodiac
Aries
Season
Spring
Sun declination
+4.4°
External references
Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
Wikipedia: this day →Britannica: this day →LoC: Today in History →History.com: this day →On-This-Day.com →BBC: On This Day →NYT: this day →Time and Date →NASA APOD archive →U.S. Naval Observatory →Wolfram|Alpha →Wikidata →Google Books →JSTOR →Internet Archive →
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Astronomy
Computed via Cooper's formula. Positive declination = Sun north of the celestial equator (Northern Hemisphere summer).
On April 1 the Sun's declination is approximately +4.4°. At this latitude the Sun is north of the celestial equator, giving the Northern Hemisphere longer days than nights.
For specific rise/set times at your location, see the U.S. Naval Observatory, or the NASA APOD archive for any imagery published on a April 1.
Position in the year
Holidays & observances
- April Fools' Day (worldwide tradition)
- Odisha Day (India)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1748 — Ruins of Pompeii were discovered. ↗(278 years ago)
- 1867 — Singapore became a British Crown Colony. ↗(159 years ago)
- 1924 — Adolf Hitler was sentenced to five years in jail for his Beer Hall Putsch (he served only nine months). ↗(102 years ago)
- 1976 — Apple Computer was founded by Steve Jobs and Steve Wozniak in Cupertino, California. ↗(50 years ago)
- 2001 — The Netherlands became the first country to legalise same-sex marriage. ↗(25 years ago)
Notable births
Notable deaths
- 1984 — Marvin Gaye, American singer. ↗(42 years ago)
Numerical & calendrical curiosities
| Day-of-year (92) | 2^2 × 23 · composite (no) |
|---|---|
| Days remaining (274) | 2 × 137 |
| Date code DDMMYYYY | 01042026 · no palindrome in next 200 years |
| Sun declination | +4.41° (Cooper approximation) |
| Distance from solstice | 80 days |