A previous experiment with permanent Daylight savings time.
During the energy crisis of the 1970's, the U.S. congress passed a law which would keep daylight savings time uninterrupted for two years.
In December 1973, public support for the measure was at 79%.
On January 6, 1974, the law went into effect.
In February 1974, public support dropped to 42%.
By October 1974, congress had received enough complaints from constituents that they repealed the bill.
In some parts of the country, sunrise was as late as 9:30.
In 2011, Russia tried this, but they gave up in 2014.
Source: USA Today
In December 1973, public support for the measure was at 79%.
On January 6, 1974, the law went into effect.
In February 1974, public support dropped to 42%.
By October 1974, congress had received enough complaints from constituents that they repealed the bill.
In some parts of the country, sunrise was as late as 9:30.
In 2011, Russia tried this, but they gave up in 2014.
Source: USA Today