How accurately is the Great Pyramid aligned?
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
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- Who created time zones in the US?
“Railroads created standard time zones in the US in 1883.”
Reference: Library of Congress
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Where was the golden spike in the Transcontinental Railroad driven?
The Transcontinental Railroad was completed when the golden spike was driven at Promontory Summit, Utah, on May 10, 1869.
Does Arizona observe daylight saving time?
Most of Arizona doesn't observe daylight saving time, though the Navajo Nation does.