When viewing events from threshold profiles, they are showing up with a time stamp one hour behind.
CA Performance Management 22.2, 23.3
The time zone in the events display is controlled by the time zone settings for each user.
The timezone displayed for a user and all events that user sees is controlled by the time zone setting in user configuration:
Highlight your user and see what the timezone is set for. Default is:
But it can be adjusted as needed to match your location.