Double dating pdf
Between 15, not only were two calendars in use in Europe (and in European colonies), but two different starts of the year were in use in England.
Although the "Legal" year began on March 25, the use of the Gregorian calendar by other European countries led to January 1 becoming commonly celebrated as "New Year's Day" and given as the first day of the year in almanacs.
With this feature selected, entering a date that falls between January 1, 1583 and March 24, 1752 (or any cutoff date you specify) displays it as a double date.
This calendar employed a cycle of three years of 365 days, followed by a year of 366 days (leap year).
Finally, 11 days were dropped from the month of September 1752.
The changeover involved a series of steps: Out of context, it is sometimes hard to determine whether information in colonial records was entered "Old Style" or "New Style." Some examples: In the Public Records of the Colony of Connecticut, "A Corte at New Towne [Hartford] 27 Decr.
The Julian Calendar was replaced by the Gregorian Calendar, changing the formula for calculating leap years.
The beginning of the legal new year was moved from March 25 to January 1.
The changes implemented that year have created challenges for historians and genealogists working with early colonial records, since it is sometimes hard to determine whether information was entered according to the then-current English calendar or the "New Style" calendar we use today.