Expedition 10.x and 2007 Changes to Daylight Saving Time

(Doc ID 903406.1)

Last updated on JULY 12, 2016

Applies to:


Expedition 10.x and 2007 Changes to Daylight Saving Time Expedition makes no use of time-specific internal date adjustments, save for the setting of session cookies and the establishment of audit trail information. In addition to adjusting for new US law and establishing unique time zones for Mexico, the Microsoft bulletins referenced also include changes for other nations around the world, including a new time zone for Montevideo, Uruguay, date adjustments for DST in Brazil, Israel, and Egypt, and the change of time zone offset for Sri Lanka. DST


On August 8, 2005, the President of the United States signed in to law The Energy Policy Act of 2005, Public Law 109-58 [ PDF].  Section 110 of this act modifies the Uniform Time Act of 1966 to move the start date for U.S. Daylight Saving Time from the "first Sunday of April" to the "second Sunday of March" and to move the end date from the "last Sunday of October" to the "first Sunday of November."  These changes in United States law were adopted by Canada as well, for provinces which observe Daylight Saving Time, but not by Mexico, which will continue to follow the same time adjustments it has been.  These changes are effective March 1, 2007.


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