115 votesthinking about it · AdminMicrosoft 365 Groups Feedback (Product Owner, Microsoft Office 365) responded
Thank you for providing this feedback. We are investigating how to enable time-zones for group calendars. Please keep the votes coming.
An error occurred while saving the commentAnthony Visconti commented
Per this article:
you need to use the app password you got when you set up Multi-factor Authentication(http://aka.ms/mfasetup)