Old Style and Quaker Date Converter

Convert Old Style (Julian) dates to New Style (Gregorian), decode double dates like 1731/32, and read Quaker dates like "5th day of 3rd month."

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Date as writtenDay Month Year

The year was written in the old "legal year" that began on 25 March (common in British colonies before 1752)

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Britain and its colonies switched calendars in 1752, dropping eleven days and moving New Year's Day from 25 March to 1 January. For the full story, read Old Dates: The 1752 Calendar Change, Double Dating and Quaker Dates.