Click “Tools”.

2. Click “Time calculator”.




3. Select start time and end time to calculate dates.







4. Choose “Add time” to calculate the date after adding days.




5. Enter how many days to add. “+” stands for adding one day, “-” for subtracting one, “←” for deleting the number.




6. Click “Finish” or the blank space to see the calculation.

7. Select “Subtract time” to calculate the date after subtracting days.

8. Enter how many days to subtract.