2007-02-21 11:17:57 · 3 answers · asked by Victor L 1 in Science & Mathematics ➔ Earth Sciences & Geology
In the United States, the Congress passed a law signed by the president that changed Daylight Savings Time so that it begins on the second Sunday in March and ends on the first Sunday in November. The states are not required to observe Daylight Savings Time (Hawaii and Arizona do not), but if they do, they must begin and end it on those dates. It's different in many countries, and many countries do not have Daylight Savings Time.
2007-02-21 11:27:11 · answer #1 · answered by alcolmx 2 · 0⤊ 0⤋
An Act to maintain daylight hours and supply widely used time for united statesa.' replaced into enacted on March 19, 1918. It widely used widely used time zones and set summer season DST to start on March 31, 1918. This in simple terms concerns the u . s . a .
2016-10-16 05:05:11 · answer #2 · answered by ? 4 · 0⤊ 0⤋
The government. The president recently changed it from April to March to see if it would save energy. The site below explains it. http://www.energy.ca.gov/daylightsaving.html
2007-02-21 11:23:57 · answer #3 · answered by heather 1 · 0⤊ 0⤋