Birthday Facts
One date in, and out come the star sign, the Chinese zodiac, the era you were born into — and what else the world was doing that day.
Age
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Pick a birth date to start
What else happened that day
Everything above the history section is computed in your browser and the date never
leaves it. Star-sign boundaries shift by about a day from year to year, so a birthday
right on a cusp is worth double-checking. The Chinese zodiac year is worked out
astronomically from the date of Chinese New Year in UTC+8 — which is why a January
birthday usually belongs to the previous animal. The history list is fetched
live from Wikipedia; picking a country filters that list by name rather than querying
a separate source, so it will miss events that never mention the country directly.