This function returns the day number of the month (integer 1 to 31) that corresponds to the specified date.
DAY(date)
Specify the date argument as a number (as in 37806.5) a string (as in "7/4/2003 12:00"), or a DateTime object, as in DATE(2003,7,4). For more details on the date inputs, refer to the discussion in Date and Time Functions.
Accepts numeric, string, or DateTime object data. Returns numeric data.
DAY(A2)
DAY(R2C1)
DAY(366778) gives the result 14
DAY(33239) gives the result 1 (because 33239 is the value for January 1, 1991)
DAY("7/4/2003 12:00")
DAY(DATE(2003,7,4))
This function is available in product version 1.0 or later.
DATE | DATEVALUE | WEEKDAY | MONTH | Date and Time Functions