A birthday with calendar stories, traditions, people and reasons to keep exploring.
January 21 is the 21st day of a common year. It falls near the opening of the calendar year, a period widely associated with planning, renewal and mid-winter routines in the Northern Hemisphere.
January 21 is the 21st day of a common year. It falls near the opening of the calendar year, a period widely associated with planning, renewal and mid-winter routines in the Northern Hemisphere.
People born on this date share the Aquarius zodiac sign, January’s garnet birthstone and the carnation birth flower. In 2026, January 21 falls on a Wednesday; the weekday of an actual birth depends on the birth year.
Next birthday: — days from today.
Explore how birthstones became associated with calendar months and the traditions connected with January.
Explore birthstones →Discover the flower traditions linked with January and how birth flowers became part of modern birthday culture.
Explore birth flowers →The same calendar date has opposite seasonal settings in the Northern and Southern Hemispheres.
Explore calendar stories →Cakes, candles, songs and milestone ages vary across families and cultures.
Traditions around the world →There is no single universal way to mark a birthday. Customs differ by family, community and country, which is part of what makes birthday culture so interesting.
January 21 · 1793
Louis XVI of France was executed.
Explore the timeline →Pope John Paul II began the first papal visit to Cuba.
ReligionConcorde began scheduled supersonic passenger service.
AviationThe Battle of Khe Sanh began during the Vietnam War.
WorldThe first Monte Carlo Rally got underway.
SportOpel produced its first automobile.
TransportNigerian-American basketball player born on January 21.
Spanish opera singer and conductor born on January 21.
American golfer born on January 21.
French fashion designer born on January 21.
American military commander born on January 21.
January 21 is day 21 of a common year, with 344 days remaining after it. Its traditional January birthday associations include Garnet and Carnation.
Discover more →Choose a birth year to open a curated snapshot of music, film, technology, sport and culture.
January 21 connects you with a date in the calendar, traditions, history and people whose lives began on the same day. Add your birth year to make the journey personal.