15 minutes or less (0.25 hours or less)
16-29 minutes (0.25 - 0.5 hours)
30-59 minutes (0.5 - 1 hour)
60-89 minutes (1 - 1.5 hours)
90-119 minutes (1.5 - 2 hours)
120-239 minutes (2 - 4 hours)
240-479 minutes (4 - 8 hours)
480-719 minutes (8 - 12 hours)

2 votes
720-959 minutes (12 - 16 hours)
1 vote