Assertion: clock's time | /r/HasProperty | standard
Facets:
Source sentences:
text: An atomic clock in Boulder, Colorado called NIST-F1 is used to define the standard time for all of the United States.
text: In most countries that observe seasonal daylight saving time, the clock observed in winter is legally named "standard time", in accordance with the standardization of time zones to agree with the local mean time near the center of each region.