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Daylight saving = patch-management annoyance

IT managers get plenty of headaches already, but 2007 caused a few more because of daylight-saving changes.

For more than two decades, daylight-saving time has begun on the first Sunday of April and reverted to standard time on the last Sunday in October. But beginning in 2007, because of the Energy Policy Act of 2005, daylight-saving time began on the second Sunday in March and ended on the first Sunday in November.

Preparing for the switch meant companies had to put together testing and patch-management plans -- or risk disrupting time-sensitive business applications and operating system operations.

Reader interest in stories about what the changes mean, and how to prepare for them, peaked early in the year as the "spring-forward" date approached, and then again as the time to "fall back" drew near.