No sign-up needed — fill this in and you get the result.
Date of birth
Time of birthEnter the clock time as written on the birth certificate. Do not convert for time zone or DST yourself — the engine does that.
Time zone of birthplace
LatitudeLongitudePick a city above to fill these in, or type them by hand. North and east are positive; south and west are negative.
Use true solar timeOff by default. When on, the time is corrected by longitude and the equation of time.