This function adds or substracts natural days (or working days) to/from any given date.
Weekends will not be counted as working days.
addDaysSkippingWeekends(timestamp, numberOfDays, timeZone) #Output: Number
Variant of the function where you can define the start and the end of the weekend .
This function is useful when the non-working days differ from the standard (Saturday/Sunday).
addDaysSkippingWeekends(timestamp, numberOfDays, timeZone, startOfWeekend, endOfWeekend) #Output: Number