February 15
February 15 is the 46th day of the year in the Gregorian calendar; 320 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Aquarius.
Day of year
46
Days remaining
320
ISO week
7
Zodiac
Aquarius
Season
Winter
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 February 15 the Sun's declination is approximately -13.3°. 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 February 15.
Position in the year
Holidays & observances
- National Flag of Canada Day
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1764 — The city of St Louis was established in Spanish Louisiana. ↗(262 years ago)
- 1898 — The USS Maine exploded in Havana Harbour, killing 266 — a precipitating event of the Spanish-American War. ↗(128 years ago)
- 1933 — Giuseppe Zangara attempted to assassinate U.S. President-elect Franklin D. Roosevelt in Miami; Chicago Mayor Anton Cermak was killed instead. ↗(93 years ago)
- 1965 — Canada adopted its national flag (the Maple Leaf). ↗(61 years ago)
Notable births
Notable deaths
- 1988 — Richard Feynman, American theoretical physicist. ↗(38 years ago)
Numerical & calendrical curiosities
| Day-of-year (46) | 2 × 23 · composite (no) |
|---|---|
| Days remaining (320) | 2^6 × 5 |
| Date code DDMMYYYY | 15022026 · next palindrome year: 2051 |
| Sun declination | -13.28° (Cooper approximation) |
| Distance from solstice | 57 days |