Knowledgebase : Daylight Saving Time Resource Center
 

On August 8, 2005, the Energy Policy Act of 2005 was signed into law, which extended Daylight Saving Time (DST) in the United States by approximately four weeks. As a result, beginning in 2007, Daylight Saving Time starts three weeks earlier on the secon...
All Lathem products that support automatic Daylight Saving Time change must be programmed in order for the change to occur. Daylight Saving Time begins on the second Sunday in March and ends on the first Sunday in November. This means: * On Sunday, Mar...