The only parts of the US that do not have Daylight Saving Time are Hawaii, most of Arizona, Puerto Rico, the US Virgin Islands, Northern Mariana Islands, Guam, and American Samoa . Arizona experimented with the change beginning in 1918, but decided to permanently opt out of the Daylight Saving Time in 1968. What two US states do not participate in Daylight Savings Time? What US states do not participate in Daylight Savings Time? Do any states not participate in Daylight Savings Time? What three states do not participate in Daylight Savings Time? Which states do not Daylight Savings Time? What states participate in daylight Savings 2021? Which two states do not practice daylight Savings? What three US states do not use Daylight Savings Time? Which states do not implement daylight savings time? What 3 states do not observe daylight savings time? Which two U.S. states do not follow daylight saving time? Which states do not change to daylight saving