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Birthdate and Age Calculator

Calculate possible date of birth from the age given in historical documents, census and birth registration, for genealogy and family history research. Census dates, birth registration rules and the calendar are currently set up for the UK.
Calculation:
Census Year:
Years
Months
Weeks
Days

Age:

On Census Day
Year
Month
Quarter
Birth Registration


Year
Month
Day

On date:
Julian

Invalid!

Birth Earliest:
Julian
Sorry! Too long ago.
Impossible!!

Birth Latest:
Julian

Birth:
Much more info here!
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