Double dating calendar updating the status from view
So when you read of churches being formed in the 1640s - 1700, you should remember how sparsely settled America was in the 17th Century.
Below are maps showing colonization efforts in 1650, 17.
It is assumed that 7-day weeks have formed an uninterrupted sequence since ancient times.
You can click on the map image below (copyrighted Resolution Archives; request written permission for use) to open a larger image (up to 1024 pixels wide).In 1582, Pope Gregory XIII (1502–85), who was pope from 1572 to 1585, and his astronomer and mathematician created a new, reformed calendar with January 1st as the beginning of a new year.However, Protestant countries continued to use the Julian Calendar where March 25th started the new year.The Julian calendar has a leap year every fourth year, while the Gregorian calendar has a leap year every fourth year except century years not exactly divisible by 400.This application assumes that the changeover from the Julian calendar to the Gregorian calendar occurred in October of 1582, according to the scheme instituted by Pope Gregory XIII.The system of double dating ended in 1752 in the American colonies with the adoption of the Gregorian calendar.Settling of North Ameria We easily forget in modern times how early settlements clung to the coastal areas of North America.Calendar dates — year, month, and day — are more problematic.Various calendar systems have been in use at different times and places around the world.The pop-up window can be resized and the image enlarged by clicking on it.Julian dates (abbreviated JD) are simply a continuous count of days and fractions since noon Universal Time on January 1, 4713 BC (on the Julian calendar).