Here is a new tip for me. If you type 10 space a, Excel will return 10:00 AM. Similarly, if you type p rather than a, it will return 10:00 PM.
Unfortunately, to get 9:39 AM, you still have to enter 9:39 space a, which isn’t as much of a timesaver.
Shortcut to type times
I Teach Accounting Information Systems 