Colonial Calendar

Colonial Calendar. This calendar employed a cycle of three years of 365 days, followed by a year of. All colonial genealogists learn that britain and its colonies changed from the old style (julian) calendar to the new style (gregorian) calendar on january 1,1752.

All colonial genealogists learn that britain and its colonies changed from the old style (julian) calendar to the new style (gregorian) calendar on january 1,1752. In 45 b.c., julius caesar ordered a calendar consisting of twelve months based on a solar year.