How long does it take mars to axis? It takes any planet one day to rotate on its axis. A Martian day is only slightly longer than an Earth day: 24 hrs. 39 mins. 35 secs.
2. Divide the number of seconds by 60 to convert seconds to minutes. Every 60 seconds a full minute has passed. Dividing a number tells you how many times one number fits in the other.
Functions and calculations to convert time to hours, minutes or seconds. In Microsoft Excel, to convert time to a total number of hours, minutes or seconds, you can use either: 1  Simple arithmetic calculations, i.e. multiply the time value by the number of hours, minutes or seconds in one day, or.ometimes, you may need to convert time into the format that reads something like  # days, # hours, # minutes and # seconds . A good thing is that you already know all the ingredients of the formula: 1  Extract days using the INT function; 2  Extract time units with HOUR, MINUTE and SECOND functions, and.