Basic Car Battery Question

A&Q about 350Z
Q:

How long can the dome light be on in a car before draining the battery?
Due to a halfway closed door, the light stayed on for about 6 hours before I went back outside and saw it.
If a battery were to be drained and you got a jumpstart does that automatically mean that you need to buy a new battery right away?

(By the way I'm not a car person (in case you couldn't tell). So be nice!)
A:


No your battery will still be fine. But you did not do it any favors.
A:

nope, should last ages for just the little light. if it starts drive it around for a bit if you're worried about the battery, the alternator should re-charge it.
A:

Thanks for the replies...you were right, my car started just fine. I learned something new about the alternator recharging the battery. Anyway, thanks again!
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