Rubbish, things don’t suddenly go bad at the stroke of midnight on the use by date. Like fourbanger says, use common sense.
Fair comment.
The ‘use by’ date is the date after which the manufacturer suggests that the product may not be safe. On or before, they’re guaranteeing that it is. After, you eat it at your own risk. The point I’m getting at is, ‘best before’ has no such implication, it just means that the product might not be as crisp or as tasty or whatever if you leave it too long.
The problem with relying on common sense is that in a society where it’s deemed necessary to put “warning: may be hot” on coffee cups, common sense isn’t as prevalent as it should be.