Phoenix does not follow daylight saving time.
Indiana and Illinois
Yes, it does.
Yes, in 1956 the whole state of Illinois was on Central Daylight Saving Time from the last Sunday of April to the last Sunday of October.
No, Guam does not observe Daylight Saving Time.
Phoenix does not follow daylight saving time.
Arizona
Indiana and Illinois
Yes, it does.
None; they follow exactly the same schedules.
No, the most recent year in which Daylight Saving Time was not observed in Illinois was 1917.
Yes, in 1956 the whole state of Illinois was on Central Daylight Saving Time from the last Sunday of April to the last Sunday of October.
No, Guam does not observe Daylight Saving Time.
No, Cancun does not use Daylight Saving Time.
In the Daylight saving Time
Yes, Pennsylvania follows Daylight Saving Time. The state observes the time change by moving the clock forward one hour in the spring and back one hour in the fall, in accordance with the Daylight Saving Time schedule set by the U.S. federal government.
The states that are not affected by daylight saving is Hawaii and parts of Arizona. The time changes for daylight saving twice a year, once in the spring and once in the fall.