March 13
March 13 is the 73rd day of the year in the Gregorian calendar; 293 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Pisces.
External references
Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
Astronomy
On March 13 the Sun's declination is approximately -3.2°. At this latitude the Sun is south of the celestial equator, giving the Northern Hemisphere shorter 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 13.
Position in the year
Holidays & observances
No widely-observed holidays catalogued for this day in our base set. See the external almanacs above for region-specific observances.
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1781 — German-British astronomer William Herschel discovered Uranus, the first planet found in modern times. ↗(245 years ago)
- 1881 — Tsar Alexander II of Russia was assassinated by members of the People's Will. ↗(145 years ago)
- 1930 — The discovery of Pluto was announced by the Lowell Observatory. ↗(96 years ago)
- 1969 — Apollo 9 returned to Earth after testing the lunar module in Earth orbit. ↗(57 years ago)
- 2013 — Cardinal Jorge Mario Bergoglio of Argentina was elected as Pope Francis, the first Latin American pope. ↗(13 years ago)
Notable births
Notable deaths
- 1996 — Krzysztof Kieślowski, Polish filmmaker. ↗(30 years ago)
Numerical & calendrical curiosities
| Day-of-year (73) | 73 · prime |
|---|---|
| Days remaining (293) | 293 |
| Date code DDMMYYYY | 13032026 · no palindrome in next 200 years |
| Sun declination | -3.22° (Cooper approximation) |
| Distance from solstice | 84 days |