Arizona chose to opt out after the first year due to unbearable heat conditions. He says, “it was so hot that summer and there were so many complaints from the citizens of Arizona that the legislature passed an exemption and Arizona has been exempted from Daylight Saving Time since that time.” He adds, “Because it’s so hot in Arizona, people wait for the sun to go down before going outside and therefore having a later daylight is worse for many people.”
There are definite downsides to Arizona being a stitch in time. Prerau points out businesses have problems because businesses outside the state don’t know what time local Arizona businesses are open. An Arizona business may miss an important, money-making “call from the East Coast because they may not realize Arizona is open an hour later than it used to be.”
There are some benefits to Arizonans opting out of saving an hour here and losing an hour there. You don’t have to change the clocks and deal with that inconvenience and you don’t lose an hour of sleep you can never get back.
Daylight Saving Time has been adopted by 70 countries and every continent.