How Daylight Savings Affects Omniture Reporting

[admin]

Over the long weekend, we received several alert notifications from Omniture for various clients - we monitor metrics such as hourly unique visitors and set email notifications if there are values outside the expected range.

We checked our clients' Omniture installations and noticed a pattern of 0 visits between 2am and 3am last Sunday, the 2nd of October. This corresponds with the hour skipped by the Daylight Savings Time changeover.
To confirm this, we checked the installations for clients we have based in New Zealand. As we suspected, we found the same pattern of 0 recorded visits for the previous week at the same time, which was when New Zealand started Daylight Savings Time.Omniture alerts from Sunday morning about low values can be disregarded. Visits during those hours generally land in 3am-4am in the reports, so the daily totals should be intact.


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