Given:
2 minutes per day.
1 minute = 60 seconds
2 minutes = 120 seconds
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds
2 minutes * 60seconds/minute = 120 seconds
In a day, there are 86,400 seconds
1 day * 24 hours/day * 60mins/hour * 60seconds/min = 86,400 seconds