I don't really know for sure, it's a long while back and I never add time in long term games.
However, for long term games, it should add something like an hour to your current turn. Not 48 hours I think, but not sure, as vacation mode adds 24 hours to your next turn.
You shouldn't be able to use the extra time in somebody elses turn (you can use the 'vacation mode' (which means weekend off mode really).
I don't really know for sure, it's a long while back and I never add time in long term games.
However, for long term games, it should add something like an hour to your current turn. Not 48 hours I think, but not sure, as vacation mode adds 24 hours to your next turn.
You shouldn't be able to use the extra time in somebody elses turn (you can use the 'vacation mode' (which means weekend off mode really).
"Strength doesn't lie in numbers, strength doesn't lie in wealth. Strength lies in nights of peaceful slumbers." ~Maria