Returns the current date in datetime format.
This expression has no parameters.
The time returned is always 12:00:00 AM and only the date is updated.
The result of the TODAY function changes only when the column that contains the formula is refreshed. It is not updated continuously.
The NOW function returns also the current time.
Other related functions are:
Contributors: Alberto Ferrari, Marco Russo
MSDN documentation: https://msdn.microsoft.com/en-us/query-bi/dax/today-function-dax