<P> Daylight saving time was established by the Standard Time Act of 1918 . The Act was intended to save electricity for seven months of the year , during World War I. DST was repealed in 1919 over a Presidential veto , but standard time in time zones remained in law , with the Interstate Commerce Commission ( ICC ) having the authority over time zone boundaries . Daylight time became a local matter . </P>
<P> Daylight saving time was established by the Standard Time Act of 1918 . The Act was intended to save electricity for seven months of the year , during World War I. DST was repealed in 1919 over a Presidential veto , but standard time in time zones remained in law , with the Interstate Commerce Commission ( ICC ) having the authority over time zone boundaries . Daylight time became a local matter . </P>
when did the us begin using daylight savings time
when did the us begin using daylight savings time
1918
1918