from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The solar calendar in use throughout most of the world, sponsored by Pope Gregory XIII in 1582 as a corrected version of the Julian calendar. See Table at calendar.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The calendar currently used in the western world. It replaced the Julian calendar and was devised to halt the slow drift of the vernal equinox towards earlier in the year.
from the GNU version of the Collaborative International Dictionary of English
- n. See under Gregorian, Julian, and Perpetual.
- adj. the calendar as reformed by Pope Gregory XIII. in 1582, including the method of adjusting the leap years so as to harmonize the civil year with the solar, and also the regulation of the time of Easter and the movable feasts by means of epochs. See Gregorian year (below).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752
Before y’all get tangled up in your underwear about it being All Hallow’s Eve when Jeremiah leaves, and “nearly Samhain aka All Hallow’s Eve” when he returns—bear in mind that Great Britain changed from the Julian to the Gregorian calendar in 1752, this resulting in a “loss” of twelve days.