The date and time is calculated from the start date and time and the elapsed time.

From the start date and time and the elapsed time, calculate the time after the elapsed time or the time before the elapsed time.

Select a start date and time and enter the elapsed time in days, hours, minutes, and seconds. Select "Time after" or "Time before" and click the "Calculate date and time" button to calculate and display the time after or before the start date and time.

Click the "Current Time" button to select the current tiClick the "Current date" button to enter the current date and time for the start date and time.me.

If you select "Time after", the time after the elapsed time from Start date and time will be calculated.

If you select "Time before", the time before the elapsed time from Start date and time will be calculated.

The elapsed time can be entered, such as 2000 seconds and 100 minutes.

If you check "No seconds display", the elapsed time will be calculated by inputting only "Hour" and "Minute".

Clicking the "Clear" button will set all entered times to 0.