WASHINGTON COUNTY HISTORICAL SOCIETY (Washington County, Utah)
TIME
Specification and Measurement
BACKGROUND
Early TimekeepingPrime Meridian
Time Zones
Daylight Saving Time
LOCAL HISTORY
St George Tabernacle bell ...Washington County is on the western edge of the Mountain Time Zone. The western boundary of that time zone runs along the boundary between Utah and Nevada. The boundary between Utah and Arizona effectively becomes a time zone boundary when Utah goes on Daylight Saving Time and Arizona does not (then Arizona is on the same time as Nevada and California.
Currently, Daylight Saving Time begins at 2:00 am (becomes 3:00 am) on he second Sunday in March.
Daylight Saving Time ends at 2:00 am (becomes 1:00 am) on the first Sunday in November.
PHOTOS
TBDREFERENCES
Why Do We Have Time Zones?Wikipedia article on Time zone
How, When, and Why Were Time Zones Created?
WebExhibits article on Daylight Saving Time
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