@The Joey
This has been on uservoice for 7 years. Fizzer even responded and said it was a good idea, but it wasn't important enough.
https://warlight.uservoice.com/forums/77051-warzone-features/suggestions/3286852-vacations-by-number-of-days-instead-of-number-of-vUservoice is pointless because fizzer almost ignores it entirely.