Day of the Week Calculator
Curious what day of the week you were born? Or what day a future event falls on? Find out instantly with our day of the week calculator.
Day of the Week Calculator
Find out what day of the week any date falls on
Enter any date to find out what day of the week it was
Days of the Week Origins
Norse/Germanic Origins
- • Tuesday: Tiw (god of war)
- • Wednesday: Odin/Woden (chief god)
- • Thursday: Thor (god of thunder)
- • Friday: Frigg/Freya (goddess of love)
Celestial Bodies
- • Sunday: The Sun
- • Monday: The Moon
- • Saturday: Saturn (Roman god)
Birth Day Traditions
The famous nursery rhyme "Monday's Child" assigns personality traits based on birth day:
How to Use
- 1Enter a date — Select any date using the date picker - past, present, or future.
- 2Calculate — Click Calculate to find out what day of the week it is.
- 3Learn about the day — Discover the origin, meaning, and fun facts about that day.
- 4Explore history — See notable historical events that happened on that day of the week.
Frequently Asked Questions
How far back can I check dates?
You can check any date that your browser supports, typically ranging from year 0001 to 9999. The calculator uses the Gregorian calendar.
Why are days named after gods?
English day names come from a mix of Norse and Roman mythology. Sunday and Monday are named after the Sun and Moon, while Tuesday through Friday are named after Norse gods (Tiw, Odin, Thor, Frigg). Saturday is named after the Roman god Saturn.
What day of the week was I born?
Simply enter your birth date in the calculator to find out! Many people are curious about their birth day as it's said to influence personality in some traditions.
Does this account for calendar changes?
The calculator uses the Gregorian calendar throughout. For dates before the Gregorian calendar was adopted (1582 in most of Europe), results may differ from historical records that used the Julian calendar.
Why does the week start on different days in different countries?
Cultural and religious traditions determine the first day of the week. In many Western countries, Sunday is considered the first day, while in others (especially in Europe and ISO standards), Monday is the first day.