Google Sheets Insert date and time keyboard shortcut
Mac
Cmd+Opt+Shift+;
Windows
Ctrl+Alt+Shift+;
The keyboard shortcut for Insert date and time in Google Sheets is Cmd+Opt+Shift+; on Mac and Ctrl+Alt+Shift+; on Windows.
Learn this shortcut without trying
MasterKey is a free Chrome extension. It counts what you keep doing with the mouse in Google Sheets and sticks the top six to the corner of your sheet — each one peels off once you've used it enough. Nothing pops up while you work.
Add to Chrome — it's free