June 20
June 20 is the 172nd day of the year in the Gregorian calendar; 194 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Gemini.
Day of year
172
Days remaining
194
ISO week
25
Zodiac
Gemini
Season
Spring
Sun declination
+23.4°
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 June 20 the Sun's declination is approximately +23.4°. 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 June 20.
Position in the year
Holidays & observances
- World Refugee Day (UN)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1782 — The U.S. Congress adopted the Great Seal of the United States. ↗(244 years ago)
- 1837 — Queen Victoria succeeded to the British throne on the death of her uncle William IV. ↗(189 years ago)
- 1893 — Lizzie Borden was acquitted of the axe murders of her father and stepmother. ↗(133 years ago)
- 1944 — Continuation War: the Soviet Union began a major offensive against Finland. ↗(82 years ago)
Notable births
Notable deaths
- 1837 — William IV of the United Kingdom. ↗(189 years ago)
Numerical & calendrical curiosities
| Day-of-year (172) | 2^2 × 43 · composite (no) |
|---|---|
| Days remaining (194) | 2 × 97 |
| Date code DDMMYYYY | 20062026 · no palindrome in next 200 years |
| Sun declination | +23.44° (Cooper approximation) |
| Distance from solstice | 0 days |