what states do not allow daylight savings time
Navajo Hawaii Arizona
title: Daylight saving time in the United States text: DST, the time changes were required to begin and end on the established dates. In 1967, Arizona and Michigan became the first states to exempt themselves from DST (Michigan would begin observing DST in 1972). In 1972, the act was amended (P.L. 92-267), allowing those states split between time zones to exempt either the entire state or that part of the state lying within a different time zone. The newly created Department of Transportation (DOT) was given power to enforce the law. , the following states and territories are not observing DST: Arizona, Hawaii, American Samoa, Puerto Rico, and the title: History of time in the United States text: observes DST, leaving Arizona (with the exception of the Navajo Nation) and Hawaii as the only two states not to observe DST. On July 8, 1986, President Ronald Reagan signed the Federal Fire Prevention and Control Act of 1986 into law that contained a daylight saving rider authored by Senator Slade Gorton (R-WA). The starting date of DST was amended to the first Sunday in April effective in 1987. DST continued to end on the last Sunday in October. While the states retain the capability to exempt themselves from DST, they are forbidden by the 1966 federal law (15 USC title: Daylight saving time in the United States text: Daylight saving time in the United States Daylight saving time in the United States is the practice of setting the clock forward by one hour during the warmer part of the year, so that evenings have more daylight and mornings have less. Most areas of the United States observe daylight saving time (DST), the exceptions being Arizona (except for the Navajo, who do observe daylight saving time on tribal lands), Hawaii, and the overseas territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the United States Virgin Islands. The Uniform Time Act of 1966 established the system title: Daylight saving time in the United States text: people are active would cause people to run their cooling systems longer, thereby using more energy. The Navajo Indian Reservation extends into Utah and New Mexico and does observe daylight saving time. The Hopi Reservation is entirely within the state of Arizona and is an enclave within the Navajo Indian Reservation, but does not observe DST. California voters passed Proposition 12 in 1949, approving DST in the state. In February 2017, California Assembly member Kansen Chu introduced A.B. 807, proposing to enable the legislature to eliminate DST in the state, or, if federal law allows, to adopt DST for the title: Daylight saving time text: Congress changes federal law, states can not implement permanent DST—states can only opt out of DST, not standard time. Daylight saving time Daylight saving time (DST), also daylight savings time or daylight time (United States), also summer time (United Kingdom and others), is the practice of advancing clocks during summer months so that evening daylight lasts longer, while sacrificing normal sunrise times. Typically, regions that use daylight saving time adjust clocks forward one hour close to the start of spring and adjust them backward in the autumn to standard time. In effect, DST causes a lost hour of sleep in