Gregorian calendar (0 synonym found)
Definition of Gregorian calendar:

(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
Definition of Gregorian calendar:

(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
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