March 25
March 25 is the 85th day of the year in the Gregorian calendar; 281 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Aries.
Day of year
85
Days remaining
281
ISO week
13
Zodiac
Aries
Season
Spring
Sun declination
+1.6°
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 →
— ad slot (replace with AdSense ins tag) —
Astronomy
Computed via Cooper's formula. Positive declination = Sun north of the celestial equator (Northern Hemisphere summer).
On March 25 the Sun's declination is approximately +1.6°. 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 March 25.
Position in the year
Holidays & observances
- Independence Day (Greece, 1821)
- International Day of Remembrance of the Victims of Slavery (UN)
- Annunciation (Christian)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1655 — Christiaan Huygens discovered Titan, Saturn's largest moon. ↗(371 years ago)
- 1807 — The Slave Trade Act 1807 received royal assent, abolishing the slave trade in the British Empire. ↗(219 years ago)
- 1911 — The Triangle Shirtwaist Factory fire in New York killed 146 garment workers. ↗(115 years ago)
- 1957 — The Treaty of Rome was signed, establishing the European Economic Community. ↗(69 years ago)
Notable births
Notable deaths
- 1918 — Claude Debussy, French composer. ↗(108 years ago)
Numerical & calendrical curiosities
| Day-of-year (85) | 5 × 17 · composite (no) |
|---|---|
| Days remaining (281) | 281 |
| Date code DDMMYYYY | 25032026 · no palindrome in next 200 years |
| Sun declination | +1.61° (Cooper approximation) |
| Distance from solstice | 87 days |