The default time format in Excel is the hour, minute, and second, but they can be formatted into different time formats. Please follow the steps below to change time format:
Step 1: Move the mouse to the cells with time and right-click;
Step 2: In the dialog box, click "Format Cell";
Step 3: In the "Format Cell" window, click "Time" from the left navigate, then select the time format;
Step 4: Click OK at the bottom, the time will change to the new format.