April 23
April 23 is the 114th day of the year in the Gregorian calendar; 252 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Taurus.
Day of year
114
Days remaining
252
ISO week
17
Zodiac
Taurus
Season
Spring
Sun declination
+12.6°
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 23 the Sun's declination is approximately +12.6°. 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 23.
Position in the year
Holidays & observances
- Saint George's Day (England)
- World Book and Copyright Day (UNESCO)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1014 — At the Battle of Clontarf, the Irish High King Brian Boru defeated Norse forces (and was killed). ↗(1012 years ago)
- 1564 — William Shakespeare was born in Stratford-upon-Avon (traditional date). ↗(462 years ago)
- 1660 — Charles II of England returned to London, restoring the monarchy. ↗(366 years ago)
- 1985 — Coca-Cola unveiled "New Coke" — a marketing disaster that lasted 79 days. ↗(41 years ago)
Notable births
Notable deaths
Numerical & calendrical curiosities
| Day-of-year (114) | 2 × 3 × 19 · composite (no) |
|---|---|
| Days remaining (252) | 2^2 × 3^2 × 7 |
| Date code DDMMYYYY | 23042026 · no palindrome in next 200 years |
| Sun declination | +12.61° (Cooper approximation) |
| Distance from solstice | 58 days |