To return a given month as a number out of a string
With this function you extract the number of the month from a string, for example, March will be 3.
This is helpful if the month is only available as a string, i.e. the name of the month, but you need it as a number for further calculation.
Ninox recognizes always the preset language.
monthIndex(string)
number
Result: 7
weekdayIndex, which returns a given weekday name as a number.