How Will the 2007 North American Changes to Daylight Saving Time Affect ipMonitor?
The U.S. Energy Policy Act of 2005 has extended Daylight Saving Time by approximately four weeks. Starting with the second Sunday in March 2007, Daylight Saving Time will begin three weeks earlier and end one week later than previously observed. Updating the time zone definitions using the Automatic Update patch provided by Microsoft® (which comes standard on Windows Vista) will overwrite the singular time rule used in North American Time Zones. As a result, all software that directly or indirectly uses the Operating System to translate time will retroactively and incorrectly believe that Daylight Saving Time also began on the second Sunday in March in previous years. The changes to North American Daylight Saving Time and their implementation in Windows can affect software in subtle ways. At ipMonitor, we’ve given this issue much thought and thorough testing. With the release of the latest build of the software, we have updated our existing internal database of Daylight Saving Time rul
