Definition:
A system of double dating used in England and
British North America from 1582-1752 for dates falling between January 1 and
March 25. This was common practice because the new Gregorian calendar, which
went into effect in 1582, but was not officially adopted by the British and the
American colonies until 1752, recognized January 1 as the first day of the year,
while the old Julian calendar recognized March 25 as the first day. Thus, dates
between those two days prior to the calendar change in 1752 were often written
with both year numbers (i.e. 5 January 1712/13).
Pronunciation:
[duh-buhldayh-ting] •
(noun)
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