The test was conducted in the Jornada del Muerto desert about 35 miles (56 km) southeast of Socorro, New Mexico, on what was then the USAAF Alamogordo Bombing and Gunnery Range (now part of White Sands Missile Range).
USA and Canada past and future DST schedules here. Hawaii is in the Hawaii-Aleutian Time Zone in the United States, which is 10 hours behind Greenwich Mean Time ( GMT-10 ). Unlike most states in the US, Daylight Saving Time is not observed in Hawaii , which maintains its 10 hours difference behind GMT throughout the year.
South Dakota east part is in the Central Time Zone, and its west part is in the Moutain Time Zone. Cities in Central Standard Time Zone include Brookings, Watertown, Sioux Falls, Vermillion, Huron, Mitchell, Aberdeen, Pierre, Chamberlain, Madison and Mobridge. Cities in Moutain Standard Time Zone include Rapid City and Spearfish. Daylight Saving Times are used in Noth Dakota time zones during summer. Currently the east part observes Central Daylight Time, the west part observes Mountain Daylight Time. South Dakota Time Zones Map.