If you are a Proficy Historian user, you have the option to adjust for daylight saving time. If you choose to adjust for daylight saving time, you must:
- Select the Automatically adjust clock for daylight saving changes check box in the Date/Time section of the Control Panel on all Proficy Historian collector, Proficy Historian server, and iFIX client computers.
- Select the Adjust for Daylight Savings Time check box on the Time tab when you add an historical pen to an iFIX chart.
Before allowing automatic Daylight Saving Time to be used in a production environment, you should test your application under each of the following scenarios for proper behavior:
- While in Standard Time.
- While in Daylight Time.
- During the transition from Standard Time to Daylight Time.
- During the transition from Daylight Time to Standard Time.
