When viewing events from threshold profiles, they are showing up with a timestamp one hour behind.
DX Netops Performance Management 22.2, 23.3
The time zone in the events display is controlled by the time zone settings for each user.
The time zone 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:
This can be adjusted as needed to match your location.