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Support Notice: Daylight Saving Time Ends Soon

Published Oct 30, 2019

Appropriate logo for Support Notice

Daylight Saving Time (DST) for 2019 ends this coming Sunday, November 3rd at 2:00 am and clocks are turned back 1 hour. How should you account for that hour in your compliance reports?

EPA requires your DAS to remain on Standard Time for collecting and reporting data. See Part 75 Emissions Monitoring Policy Manual, Question 13.4 for more information.

Be proactive!
Ensure your system remains on Standard Time by taking a look at this article:
Checking the StackVision server for daylight savings time

If you find that the time on your DAS did change, check out this article in the ESC Customer Community to find out what you need to do to correct it:
How do I correct the time on the StackVision server and data controller when the time has been changed due to Daylight Saving Time (DST)?

If you need assistance with correcting your system for DST, please contact  ESC Support at 512-250-7901,, or through the ESC Customer Community.

This notice relates to the following ESC products: StackVision|Data Controllers