Hi James Mueller,
Thank you for reaching out regarding adjusting the work hours time zone in the new Outlook.
To modify your work hours time zone so that it matches your actual time zone, follow these steps:
Step 1: Switch to any time zone -> hit save.
Step 2: A gray box will show up -> hit yes, update.
Step 3: choose your time zone -> save -> Yes, update.
Step 4: in Settings > General > Language and time, change your language in to English (CANADA)
Step 5: Check your calendar time again.
And now Outlook on your computer is now matches your actual time zone.
Please let us know if you need further clarification or assistance. We appreciate your patience and look forward to assisting you further.
Best Regards,
Clover-L - MSFT | Microsoft Community Support Specialist.