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The four time zones of the 48 contiguous United States (boundaries are indicated by the red line). County boundaries are shown in grey and state boundaries are dark blue.

Indiana and Arizona are special cases. Most of Indiana is in the Eastern Time Zone but does not utilize Daylight Saving Time. Visit the What time is it in Indiana? site for more information. Arizona, while it is in the Mountain Time Zone, does not utilize Daylight Saving Time.


For more information, visit my Time & Time Zones and Daylight Saving Time category of links

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