Arizona (with the exception of the Navajo Nation) and Hawaii do not observe Daylight Saving Time.
Indiana adopted its use beginning in 2006. American Samoa, Guam, Puerto Rico, and the Virgin Islands still do not observe DST.
During World War I, in an effort to conserve fuel, Germany began observing DST
on May 1, 1916. The rest of ...
Jan 9, 2017 ... Most of the US state of Arizona does not use Daylight Saving Time (DST). ...
forward 1 hour in spring for DST with the rest of the United States.
Mar 6, 2015 ... For most of the United States, this weekend sees the return of clock ... Each U.S.
state and territory is free to ignore daylight savings time, ... "Many people don't
want to move their clocks, whether it's ... Research shows that given an extra hour
of evening daylight, many Americans use the time to go out...
Nov 7, 2016 ... Homes would need to use less energy to stay lit. ... Among the states that don't
currently participate in daylight saving are Arizona and Hawaii, ...
Nov 5, 2016 ... ... with three US territories, already don't observe daylight saving time. ... found
annual energy usage declined about 0.03 percent because of ...
Daylight saving time did indeed begin in the United States during World War I,
primarily to save fuel by reducing the need to use artificial lighting. Although
The federal law that established "daylight time" in the United States does not
require any ... summer sun in those regions you can understand why residents
don't need another hour of sunlight. ... Most of Canada uses Daylight Saving
Daylight Saving Time is left-over of early 20th century. It has no purpose in this
age. ... 68%. Countries of the World don't use Daylight Saving Time.
Jan 9, 2015 ... Daylight-saving time and Arizona: Why they don't mix ... States could opt out, but
Arizona took part that first summer and realized that late ...