MONTHNAME Month name function
Description
MONTHNAME(date[,languagecode]) returns the name of the month of date. Date can either be a serial date number or a date string.
The optional argument languagecode is a two-character code that defines the language to be used. When omitted, the name of the month is given in English.
Example
When using date format MM.DD.YY:
MONTHNAME("12.03.2001") returns "December"
MONTHNAME("01.30.2012","RU") returns "январь" (Russian)
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