the times shown in vertical position and on standby are diferent
when using standby on my iPhone 14 Pro the time shown is different by 4 hours from the normal vertical position
iPhone 14 Pro
Question marked as
Are you using the "City" widget? If so, it may be set to a different city than where you live. The default is Cupertino.
One the screen where you add/edit the Standby widgets, tap the clock. It will flip over and you can change the city. Or, use a different widget.