January 15 is the 15th day of the year. 350 days remain until the end of the year (351 in leap years).
"To be successful, keep looking tanned, live in an elegant building (even if you're in the cellar), be seen in smart restaurants (even if you nurse one drink), and if you borrow, borrow big."
Aristotle Onassis
Born today
Aristotle Onassis, 1906, Greek businessman
Observances
Army Day (India)
Earliest day on which Martin Luther King Jr. Day can fall (the 15th being his birthday), while January 21 is the latest; celebrated on the third Monday in January. (United States)
Earliest day on which Sinulog Festival can fall, while January 21 is the latest; celebrated on the third Sunday in January. (Philippines)
John Chilembwe Day (Malawi)
Korean Alphabet Day (North Korea)
Ocean Duty Day (Indonesia)
Sagichō at Tsurugaoka Hachimangū. (Kamakura, Japan)
The second day of the sidereal winter solstice festivals in India:
Thai Pongal, Tamil harvest festival
National Hat Day (US)
National Pothole Day (US)
National Booch Day (US)