arithmetic add to a datedateadd adds a positive or negative quantity of units to a date (in the internal date time format), and returns a new date so formed. The unit is specified as a string and can be one of the following: 'second', 'minute', 'hour', 'day', 'month', or 'year'. Use datestring to convert the result to a human-readable string.
arithmetic add to a datedateadd adds a positive or negative quantity of units to a date
(in the internal date time format), and returns a new date so formed.
The unit is specified as a string and can be one of the following:
'second', 'minute', 'hour', 'day', 'month', or 'year'.
Use datestring to convert the result to a human-readable string.