Date to Day of Week

A date to day of week calculator determines which day of the week any calendar date falls on. Uses the Doomsday algorithm or JavaScript's built-in Date object for instant results.

1. 1JavaScript Date parses the date string
2. 2getDay() returns 0 (Sunday) through 6 (Saturday)
3. 3The Gregorian calendar repeats every 400 years
4. 4Any date in history or future can be calculated precisely