Day of Birth

Back to Day of Birth Calculator

Example: 8th October 1948

1. Take the last two digits of the year of birth eg: 48
2. Add a quarter of that number (rounding down to nearest whole number) eg: 12
3. Add the date you were born eg: 8
4. Add the number that corresponds to the month in which you were born (see notes) eg: 1
TOTAL 69 (if year of birth is 2000 onwards add 6)
5. Divide this total by 7 = 9 r 6
6. The remainder (6) corresponds to the day of the week (see notes) eg: Friday


Notes

Values for each month of the year


0 April, July
1 January, October (NB for leap years January = 0)
2 May
3 August
4 February, March, November (NB for leap years February = 3)
5 June
6 September, December

Values for days of the week

1 Sunday
2 Monday
3 Tuesday
4 Wednesday
5 Thursday
6 Friday
0 Saturday