If we get the time zone incorrect when running the Exchange rebase tool - will it be corrected when the user logs into their individual workstation and Outlook loads?

Q: if we get the time zone incorrect when running the Exchange rebase tool - will it be corrected when the user logs into their individual workstation and Outlook loads?
A: recurring meetings will be ok, but the single instance meetings will be moved according to the time zone that you associated with that mailbox