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Microsoft 365 - Daylight Savings Time Effects on Scheduling
Due to an issue with the way Office 365 calendars read the Daylight Savings Time rules created by any external calendaring system, meetings will appear an hour later on the Office 365 calendar. For example, a meeting scheduled by someone on an external calendaring system at 9 AM will appear within the Office 365 calendar at 10 AM.
Note: This issue may not occur for all users in all instances.
Who does this affect?
This issue will affect any Office 365 user who is receiving a meeting invitation from anyone who is not also scheduling in the Office 365 environment. This includes users from other campuses or institutions, Google Calendar users, etc.
When does this issue occur?
Any meetings created in the months of March and November will/may be affected.
How can it be determined if this is the case?
- If the email address does not end in 'wisc.edu', this issue will be present.
- If the meeting is scheduled by someone with a 'wisc.edu' address, the meeting will display correctly. However, if they exist in an external system, the meeting will be an hour behind.
What is being done to correct this?
Microsoft is aware of this issue and is working on a solution.