areas that do not use daylight savings time
View current time in all US time zones: World Clock USA. Daylight Saving Time Since 2007: Daylight Saving Time begins for most of the United States at 2 a.m. on the second Sunday of March . Time revert to standard time at 2 a.m. on the first Sunday in November . Daylight Saving Time, for the U.S. and its territories, is NOT observed in Hawaii , American Samoa, Guam, Puerto Rico, the Virgin Islands and the state of Arizona (not the Navajo Indian Reservation, which does observe).