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January 11

Day 11 of 366 · ISO week 2 · Capricorn · Winter (Northern Hemisphere)

January 11 is the 11th day of the year in the Gregorian calendar; 355 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Capricorn.

Day of year
11
Days remaining
355
ISO week
2
Zodiac
Capricorn
Season
Winter
Sun declination
-21.9°

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

Solar declination through the year — the Sun's apparent latitude on Earth. January 11 ≈ -21.9°
+23° −23° -21.9°
Computed via Cooper's formula. Positive declination = Sun north of the celestial equator (Northern Hemisphere summer).

On January 11 the Sun's declination is approximately -21.9°. 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 11.

Position in the year

Position in the calendar year — day 11 of 366 (with 355 remaining)
JanFebMarAprMayJunJulAugSepOctNovDec Jan 11

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.

Notable births

Notable deaths

Numerical & calendrical curiosities

Day-of-year (11)11 · prime
Days remaining (355)5 × 71
Date code DDMMYYYY11012026 · no palindrome in next 200 years
Sun declination-21.89° (Cooper approximation)
Distance from solstice22 days

Cross-references

The 11th of every other month

Adjacent days

Days nearby

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