ellieoop: there is a difference though :

suppose a game time outs the day after tomorrow, it is set as a automatic vacation day when the game tries to time out, it tries to time out again a day later, it is set as an automatic vacation day as well, then the day after that it tries to time out again.

now if you had set those 2 days (day after tomorrow and the day after that) as fixed vacation days and you would have moved today, then the time calculation would notice that those 2 days are vacation days and those 2 days are added to the time which wont make the game time out on the day after the day after the day after tomorrow, but 2 days later

so setting fixed vacation days really adds the time to the timeout .. while automatic vacation days first let the game use up their time, and then add a day when needed .. leaving it with 1 day max at the end after the automatic vacation days (where fixed vacation days might leave you with more days after those days)