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NIST — National Institute of Standards and Technology
OFFICIAL U.S. TIME
United States Naval Observatory
COORDINATED UNIVERSAL TIME (UTC) · 24-HOUR
03:31:36
MONDAY, NOV 9, 2026
Running on Cloudflare NTP time; NIST check pending.
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ALASKA TIME
 
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Alaska
ALEUTIAN TIME
 
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Hawaii
SAMOA TIME
 
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CHAMORRO TIME
 
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ATLANTIC TIME
Puerto Rico / US Virgin Islands
 
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PACIFIC TIME
 
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MOUNTAIN TIME
 
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CENTRAL TIME
 
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EASTERN TIME
 
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United States time zones
ARIZONA MOUNTAIN TIME
 
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= DAYLIGHT SAVING TIME NOT OBSERVED  ·  Clocks are corrected for network delay.
NIST — National Institute of Standards and Technology
Time standard: the National Institute of Standards and Technology and the United States Naval Observatory, the official time of the United States (time.gov). W5ZQ's clocks are synchronized to NIST through W5ZQ's server and corrected for network delay; between synchronizations the display runs on your device's clock, so this is a time-of-day service, not a measurement reference. Map artwork: NIST / time.gov (US Government).
United States Naval Observatory
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