Day of Week Born Calculator
Find out which day of the week you were born on, with the old “Monday’s child” rhyme for fun. Read straight from your birth date in your browser.
You were born on a
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How it's worked out
Every calendar date falls on a fixed day of the week, set by the rules of the Gregorian calendar. This tool reads the weekday straight from your birth date, no guessing or lookup tables.
The old “Monday’s child” nursery rhyme is shown just for fun. Dates are handled in UTC so daylight-saving never shifts the day, and everything is computed in your browser.
What this does
A day of the week born calculator tells you which weekday you were born on, with the old “Monday’s child” rhyme for fun.
How to use it
- Enter your birth date.
- Read the weekday you were born on.
- See its line from the rhyme.
- Try other dates for friends and family.
How it works
The weekday is read directly from your birth date using the rules of the Gregorian calendar, no guessing or lookup tables.
weekday = birth date mod 7 (Gregorian)
Understanding your result
The weekday is read exactly from the Gregorian calendar, so it is a hard fact rather than a guess. The Mondays-child rhyme that comes with it is old folklore for fun, with no bearing on personality, so enjoy that part as tradition rather than anything to read into.
Example
29 February 2000 was a Tuesday.
Sources & methodology
Last updated .
Frequently asked questions
How is the day worked out?
The weekday is read directly from your birth date using the rules of the Gregorian calendar, no guessing or lookup tables.
What’s the rhyme?
It’s the traditional “Monday’s child is fair of face…” nursery rhyme, shown purely for fun.
Is anything stored?
No. Your date is handled entirely in your browser.
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