Day of Week Calculator

Find what day of the week any date falls on, past or future. Perfect for planning events or satisfying curiosity.

Enter any date to find out what day of the week it was or will be

Date

Sunday: Named after the Sun

Monday: Named after the Moon

Tuesday: Named after Tiw (Norse god)

Wednesday: Named after Woden (Odin)

Thursday: Named after Thor

Friday: Named after Frigg

Saturday: Named after Saturn

• Planning events and meetings

• Historical date research

• Birthday day calculations

• Anniversary planning

• Academic and business scheduling

• Travel and vacation planning

• The 7-day week dates back to ancient Babylon

• Different cultures start the week on different days

• ISO 8601 standard starts weeks on Monday

• The Gregorian calendar is used in most countries

• Some cultures use lunar calendars

0 = Sunday

1 = Monday

2 = Tuesday

3 = Wednesday

4 = Thursday

5 = Friday

6 = Saturday