サマータイム

2008/10/31

サマータイム
Daylight saving time
米国では一部の州を除いて
11月2日で夏時間が終わり
2009年 3月8日から来年の夏時間になる

米国では
サマータイム導入が省エネルギーになると
2007年よりサマータイムの期間が
１ヶ月延長されている

http://www.epa.gov/oust/fedlaws/publ_109-058.pdf

SEC. 110. DAYLIGHT SAVINGS.

    (a) Amendment.--Section 3(a) of the Uniform Time Act of 1966 (15
U.S.C. 260a(a)) is amended--
            (1) by striking ``first Sunday of April'' and inserting
        ``second Sunday of March''; and
            (2) by striking ``last Sunday of October'' and inserting
        ``first Sunday of November''.

    (b) Effective Date.--Subsection (a) <<NOTE: 15 USC 260a
note.>> shall take effect 1 year after the date of enactment of this Act
or March 1, 2007, whichever is later.

    (c) Report to Congress.--Not <<NOTE: 15 USC 260a note.>> later than
9 months after the effective date stated in subsection (b), the
Secretary shall report to Congress on the impact of this section on
energy consumption in the United States.

    (d) Right to Revert.--Congress retains the right to revert the
Daylight Saving Time back to the 2005 time schedules once the Department
study is complete