Return the last day of the previous month

	A
1	=TODAY() = 01/01/2025
2	=NOW() = 1/1/2025 9:03
3	=DATE(YEAR(TODAY()), MONTH(TODAY())+1, 0) = 31/01/2025

Built-in Functions

DATE - The date as a date serial number given a year, month, day.
NOW - The date serial number of the current system date and time.
YEAR - The year as an integer given a date serial number.
TODAY - The date serial number representing today's date.
MONTH - The month as an integer given a date serial number.

Related Formulas

Return the first day of the current month
Return the first day of the next month
Return the first day of the previous month
Return the last day of the current month
Return the last day of the previous month