New Style

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New Style

the present method of reckoning dates using the Gregorian calendar

New Style

(NS) The current method of measuring dates using the Gregorian calendar as distinct from the former method – Old Style (OS) – that was based on the Julian calendar. Britain and the American colonies switched calendars on Sept. 14 1752, the 11 days from Sept. 3 to Sept. 13 having been eliminated from that year.