Click the up or down arrow keys to change the time or simply type over the hour, minutes or AM/PM. For faster input, use the arrow keys on your keyboard to move your cursor when you edit the time. Click the End at button
to push the time forward to equal the end time of the next entry. If there is no next time entry, this button is not displayed. You can change the time format by selecting from Start, Settings, Control Panel, Regional Settings. Enter your preference for the time format in the Time tab (see Windows help for more information).