- begins at 2:00 a.m. on the second Sunday of March and
- ends at 2:00 a.m. on the first Sunday of November
The rules for Daylight Saving Time changed in 2007 for the first time in more than 20 years and were enacted by the Energy Policy Act of 2005. This extended length of daylight will help reduce energy consumption. The new rules increased the duration of Daylight Saving Time by about one month. Daylight Saving Time will now be in effect for 238 days, or about 65% of the year. Daylight Saving Time in the United States
In 2009, DST is from 2:00 a.m. (local time) on March 8th until 2:00 a.m. (local time) on November 1st.