Question

It snowed from 8:37 to 11:23 how long was it snowing

Answer 1

from 8:37 to 9:00 is just 23 minutes.

from 9:00 to 11:23 is 2 hours and 23 minutes.

and 2 hours and 23 minutes + 23 minutes is 2 hours and 46 minutes, or 166 minutes.