How many min from Jan31 till Feb14 at 1PM?

Answer 1

14 whole days from Jan 31 midnight (start of day) to Feb 14 midnight (start of day), plus 13 hours to 1PM so, 14*24*60 + 13*60 = 20940 minutes

Answer 2

In any given year, there are 20940 minutes between midnight on the morning of January 31 and February 14 at 1pm.