calendar month

one of the 12 months of the year, space of time measured from the end of one month to the end of the next (according to the Gregorian calendar)

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Noun
1. one of the twelve divisions of the calendar year; "he paid the bill last month"
(synonym) month
(hypernym) time period, period of time, period
(hyponym) date
(part-meronym) week, calendar week

měsíc

miesiąc kalendarzowy

MESE CIVILE