Welcome to the Clock Calc app!
Use this app to calculate how much time has passed (hours and minutes) between two times. There is a calculator for a 12 hour clock, and a calculator for a 24 hour clock. It is useful for calculating how many hours you worked, how much time until an event, etc.
Instructions are included in the app as well.
Clock Calc 12 hour clock instructions
Press the "12 hour clock" button on the main screen.
To enter times:
Touch the box for the time you want to enter. Type in the time. Then press the blue "Done" key on the keyboard to remove the keyboard from the screen.
Then press the "AM" or "PM" button depending on if your time is am or pm.
Press the "Calculate" button to find out how much time has passed.
Example:
To enter 1:15pm -
Touch the box for hour and type "1". Then touch the box for minutes and type "15". Then press the blue "Done" key on the keyboard. Then press the "PM" button next to the time you just entered.
To enter 5:30pm-
Touch the box for hour and type "5". Then touch the box for minutes and type "30". Then press the blue "Done" key on the keyboard. Then press the "PM" button next to the time you just entered.
Now press the "Calculate" button, and you will see that 4 hours and 15 minutes have passed between the times 1:15pm and 5:30pm.
To clear the screen:
Press the clear button.
If you just want to clear your am/pm selection, press the "Clear Am/Pm" button. Your entered times are not cleared this way.
To return to the main screen:
Press the "Done" button.
Clock Calc 24 hour clock instructions
Press the "24 hour clock" button on the main screen.
To enter times:
Touch the box for the time you want to enter. Type in the time. Then press the blue "Done" key on the keyboard to remove the keyboard from the screen.
Press the "Calculate" button to find out how much time has passed.
Example:
To enter 9:15 -
Touch the box for hour and type "9". Then touch the box for minutes and type "15". Then press the blue "Done" key on the keyboard.
To enter 17:30-
Touch the box for hour and type "17". Then touch the box for minutes and type "30". Then press the blue "Done" key on the keyboard.
Now press the "Calculate" button, and you will see that 8 hours and 15 minutes have passed between the times 9:15 and 17:30.
To clear the screen:
Press the clear button.
To return to the main screen:
Press the "Done" button.