April 25
April 25 is the 116th day of the year in the Gregorian calendar; 250 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Taurus.
Day of year
116
Days remaining
250
ISO week
17
Zodiac
Taurus
Season
Spring
Sun declination
+13.3°
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 25 the Sun's declination is approximately +13.3°. 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 25.
Position in the year
Holidays & observances
- ANZAC Day (Australia and New Zealand)
- Liberation Day (Italy, Portugal)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1915 — World War I: Allied forces landed at Gallipoli — ANZAC Day commemorates the campaign. ↗(111 years ago)
- 1953 — Francis Crick and James Watson published their description of the double-helix structure of DNA in Nature. ↗(73 years ago)
- 1974 — The Carnation Revolution overthrew the Estado Novo dictatorship in Portugal. ↗(52 years ago)
- 1990 — The Hubble Space Telescope was deployed from Space Shuttle Discovery. ↗(36 years ago)
Notable births
Notable deaths
- 1995 — Ginger Rogers, American actress and dancer. ↗(31 years ago)
Numerical & calendrical curiosities
| Day-of-year (116) | 2^2 × 29 · composite (no) |
|---|---|
| Days remaining (250) | 2 × 5^3 |
| Date code DDMMYYYY | 25042026 · no palindrome in next 200 years |
| Sun declination | +13.28° (Cooper approximation) |
| Distance from solstice | 56 days |