Symptoms
In Microsoft Exchange Server 2016 and Exchange Server 2013 on-premises, when you run the Get-CalendarDiagnosticAnalysis cmdlet, the output shows an incorrect end-time for the meeting/appointment. The DateTime value is shown in 12-hour clock format, not in 24-hour clock format.
Cause
This issue occurs because the DateTime value uses 12-hour clock format instead of 24-hour clock format.
Resolution
To fix this issue, install one of the following updates:
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For Exchange Server 2016, install Cumulative Update 9 or a later cumulative update for Exchange Server 2016.
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For Exchange Server 2013, install Cumulative Update 20 or a later cumulative update for Exchange Server 2013.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
