< Conversion Calculators

Friday the Thirteenth Birthday Calendar

If you or someone you know was born on the thirteenth of the month, see which birthdays will occur on Friday the thirteenth.

No - only show years with Birthday on Fri. 13th

(Optional) If empty, defaults to 100 years


Generate birthday calendar for a person born on the 13th of any month. You can opt to view all birthdays between date of birth and a specific age; Or, view just years in age range where the birthday falls on Friday the 13th.

About Friday the Thirteenth

Every year has at least one month with a Friday the Thirteenth, some years have 2 months with Friday the 13th; At most 3 months* in any given year will have Friday the Thirteenth.

It's easy to know if a month will have a Friday the 13th. If the month starts on a Sunday, the second Friday of that month will be on the thirteenth. Years which have three months with Friday the 13th are non-leap year, where January 1st of that year is on a Thursday.

This calculator creates a calendar showing each birthday that occurs on Friday the Thirteenth. If a person was born on the Thirteenth of a month, the calendar shows every birthday in the age range (from date of birth up to maximum 120 years!) that will or has occurred on a Friday. You can opt to include all birthdays, or just birthdays on Friday the Thirteenth.

* Based on non-leap years and on the Gregorian Calendar, used by USA, Canada, UK and most other countries.