13 days is how many hours,minutes en seconds?
There are 24 hours in a day, 60 minutes in an hour, 60 seconds in a minute, so there are:
24 hours per day
24* 60 = 1,440 minutes per day
1440 * 60 = 86,400 seconds per day
13 days = 312 hours 0 minutes 0 seconds
or
13 days = 18,720 minutes 0 seconds
or
13 days = 1,123,200 seconds
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