May 25
May 25 is the 146th day of the year in the Gregorian calendar; 220 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Gemini.
Day of year
146
Days remaining
220
ISO week
21
Zodiac
Gemini
Season
Spring
Sun declination
+21.1°
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 May 25 the Sun's declination is approximately +21.1°. 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 May 25.
Position in the year
Holidays & observances
- Africa Day (African Union)
- Towel Day (Hitchhiker's Guide tribute to Douglas Adams)
- Independence Day — Argentina (1810), Jordan (1946)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1787 — The U.S. Constitutional Convention opened in Philadelphia, with George Washington presiding. ↗(239 years ago)
- 1925 — Tennessee teacher John T. Scopes was indicted for teaching evolution. ↗(101 years ago)
- 1961 — U.S. President John F. Kennedy announced his goal of putting a man on the Moon by the end of the decade. ↗(65 years ago)
- 1977 — Star Wars (later subtitled A New Hope) was released in theatres. ↗(49 years ago)
- 2020 — George Floyd was killed during an arrest in Minneapolis, sparking global protests. ↗(6 years ago)
Notable births
Notable deaths
- 1681 — Pedro Calderón de la Barca, Spanish dramatist. ↗(345 years ago)
Numerical & calendrical curiosities
| Day-of-year (146) | 2 × 73 · composite (no) |
|---|---|
| Days remaining (220) | 2^2 × 5 × 11 |
| Date code DDMMYYYY | 25052026 · no palindrome in next 200 years |
| Sun declination | +21.09° (Cooper approximation) |
| Distance from solstice | 26 days |