datetime: Translate date and time into datetime stamp to use in api call
Description
The datetime stamp format might be a bit difficult to use. This
helper function allows you to supply the date and time and a datetime
character string comes out.
Usage
datetime(date, time)
Arguments
date
date in iso format (year-month-day): 2018-12-29 for example
time
time in standard format (HH:MM): 20:21
Details
For example if it is 21-08-2018, 15.21 hour in the Netherlands than you can
add these two items into the function.