It depends on the type of quiche. If it contains any form of dairy it can be kept unrefrigerated for up to two days, however you should keep it covered.
about a week
Two hours.
3 Months
It it is left out, it will stay good for about a day or so.
A PBJ sandwich can stay unrefrigerated for about 2 hours before it becomes unsafe to eat due to the risk of bacteria growth.
3 days.
Potentially hazardous food should not be left unrefrigerated for more than 2 hours. Less time is better.
Potentially hazardous food should not be left unrefrigerated for more than 2 hours. Less time is better.
They should be good for 3 to 4 days. It would be better to freeze them.
Most experts agree than an egg that stays completely unrefrigerated should not be consumed more than 24 hours after being laid.
While I was in Portugal everyone kept a bowl on the table. As long as they are immersed in oil they keep.
Not long