How to calculate the invigilation time of Excel two people

Xcel time calculation formula is as follows:

1, calculating the time interval hours

To calculate the interval between two times, you can use the formula:

= (End Time-Start Time) *24

2. Calculate the time interval in minutes

To calculate the minute interval between two times, you can use the following formula:

= (end time-start time) * 1440

Step 3 calculate the time interval

To calculate the number of seconds between times, you can use the following formula:

= (end time-start time) *24*60*60