January 7
January 7 is the 7th day of the year in the Gregorian calendar; 359 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Capricorn.
Day of year
7
Days remaining
359
ISO week
1
Zodiac
Capricorn
Season
Winter
Sun declination
-22.4°
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 January 7 the Sun's declination is approximately -22.4°. 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 January 7.
Position in the year
Holidays & observances
- Christmas Day (Eastern Orthodox, Julian calendar)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 1610 — Galileo Galilei observed the four largest moons of Jupiter for the first time. ↗(416 years ago)
- 1785 — Jean-Pierre Blanchard and John Jeffries crossed the English Channel by hot-air balloon. ↗(241 years ago)
- 1927 — The first transatlantic telephone service was established between London and New York. ↗(99 years ago)
- 1990 — The Leaning Tower of Pisa was closed to the public for repairs after centuries of tilting. ↗(36 years ago)
Notable births
Notable deaths
- 1989 — Hirohito, 124th Emperor of Japan (Shōwa era). ↗(37 years ago)
Numerical & calendrical curiosities
| Day-of-year (7) | 7 · prime |
|---|---|
| Days remaining (359) | 359 |
| Date code DDMMYYYY | 07012026 · no palindrome in next 200 years |
| Sun declination | -22.41° (Cooper approximation) |
| Distance from solstice | 18 days |