January 28 Day 28 of 366 · ISO week 4 · Aquarius · Winter (Northern Hemisphere)
January 28 is the 28th day of the year in the Gregorian calendar; 338 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Aquarius.
January 28
28th day of the year
January 2024 calendar — highlighted: the 28th
Mo Tu We Th Fr Sa Su
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Day of year 28 / 366 Days remaining 338 ISO week 4 Weekday in 2024 Sunday Zodiac (Western) Aquarius Zodiac (sidereal) Aquarius Season (N. hemi.) Winter Sun declination -18.5° Birthstone Garnet Birth flower Carnation, Snowdrop
External references Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
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Astronomy
Solar declination through the year — the Sun's apparent latitude on Earth. January 28 ≈ -18.5°
0°
+23°
−23°
-18.5°
Computed via Cooper's formula. Positive declination = Sun north of the celestial equator (Northern Hemisphere summer).
On January 28 the Sun's declination is approximately -18.5°. 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 28.
Position in the year
Position in the calendar year — day 28 of 366 (with 338 remaining)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Jan 28
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.
1521 — The Diet of Worms convened, where Martin Luther would be summoned to defend his teachings. ↗ (505 years ago) 1813 — Jane Austen's Pride and Prejudice was first published in London. ↗ (213 years ago) 1958 — The Lego company patented the design of its plastic interlocking bricks. ↗ (68 years ago) 1986 — The Space Shuttle Challenger broke apart 73 seconds after launch, killing all seven crew. ↗ (40 years ago) Notable births
1457 — Henry VII of England. ↗ (569 years ago) 1853 — José Martí, Cuban national hero and writer. ↗ (173 years ago) 1980 — Nick Carter, American singer (Backstreet Boys). ↗ (46 years ago) Notable deaths
814 — Charlemagne, King of the Franks and first Holy Roman Emperor. ↗ (1212 years ago) Numerical & calendrical curiosities Day-of-year (28) 2^2 × 7 · composite (no) Days remaining (338) 2 × 13^2 Date code DDMMYYYY 28012026 · no palindrome in next 200 years Sun declination -18.54° (Cooper approximation) Distance from solstice 39 days
Cross-references The 28th of every other month Adjacent days Days nearby Themes: challenger lego pride-and-prejudice charlemagne
WikiDay — On this day. About this day. An editorial almanac of every calendar day of the year, drawing on public sources including Wikipedia , Encyclopædia Britannica , the U.S. Library of Congress: Today in History , the U.S. Naval Observatory , NASA Astronomy Picture of the Day , Time and Date , and Wikidata . Brief factual statements are presented for editorial reference under fair-use principles; deeper accounts and copyrighted media remain with their original publishers via the external links on each page. Unofficial educational resource.
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