The United States first observed Daylight Saving Time during the Presidency of Woodrow Wilson, during World War I.
1919
Daylight Saving Time was originally introduced as an energy saving measure, to take greater advantage of the daylight during the summer months.
The time measure introduced in 1927 was Daylight Saving Time (DST), also known as Summer Time. It is the practice of setting the clock forward by one hour during the warmer months to extend evening daylight and save energy.
president Wilson
No, Cancun does not use Daylight Saving Time.
No, Guam does not observe Daylight Saving Time.
In the Daylight saving Time
Daylight Saving Time starts in March.
Phoenix does not follow daylight saving time.
India does not observe Daylight Saving Time.
eastern7am Pacific Daylight Savings Time.
daylight-saving time