May 12
May 12 is the 133rd day of the year in the Gregorian calendar; 233 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Taurus.
Day of year
133
Days remaining
233
ISO week
19
Zodiac
Taurus
Season
Spring
Sun declination
+18.3°
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 May 12 the Sun's declination is approximately +18.3°. 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 May 12.
Position in the year
Holidays & observances
- International Nurses Day (Florence Nightingale's birthday)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1551 — The National University of San Marcos, the oldest in the Americas, was established in Lima, Peru. ↗(475 years ago)
- 1820 — Florence Nightingale, founder of modern nursing, was born. ↗(206 years ago)
- 1932 — The body of Charles Lindbergh's kidnapped infant son was found in Hopewell, New Jersey. ↗(94 years ago)
- 1949 — The Soviet Union ended the Berlin Blockade. ↗(77 years ago)
Notable births
Notable deaths
- 1684 — Edme Mariotte, French physicist. ↗(342 years ago)
Numerical & calendrical curiosities
| Day-of-year (133) | 7 × 19 · composite (no) |
|---|---|
| Days remaining (233) | 233 |
| Date code DDMMYYYY | 12052026 · no palindrome in next 200 years |
| Sun declination | +18.29° (Cooper approximation) |
| Distance from solstice | 39 days |