> For the complete documentation index, see [llms.txt](https://docs.inforiver.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inforiver.com/formula-syntax/date-functions.md). # Date functions

NAME	DESCRIPTION
DATEADD	Adds a specified number of days to the input date
DATEDIFF	Returns the number of days between two input dates
DAY	Extracts the day of the month from an input date
DATE.SET	Returns a date after changing the format
EOMONTH	Returns a date specifying the last day of the month
FROMEXCELDATE	Converts an input date to a excel format date serial number
MONTH	Extracts the month from an input date
NOW	Returns the current date and timestamp
PERIOD_RANGE	Returns an array of date ranges between two specified dates
SHOWDATETIME	Returns the date and time period based on a given set of arguments
TIMEZONE	Enables you to refer to a specific UTC time zone.
TODAY	Returns the current date
TOEXCELDATE	Converts an excel recognized serial number to the equivalent date
YEAR	Extracts the year from an input date

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