If 2 days equal 2 minutes, then 1 day = 1 minute.
Assuming an average of 30 days per month, 5 months equals 150 days (5 x30))
Since 1 day equals 1 minute, 150 days equals 150 minutes or 2 hours and 30 minutes
and if you use the exact average length of a month over a full calendar year (30.42 days), 5 months would equal 152 minutes.