America's official timekeeper, providing accurate spoken time based on the USNO Atomic Clock, GPS, Loran and Omega time information, U.S. time zone conversions, and other pertinent timekeeping information.

Tweets about tycho.usno.navy.mil

  • LOVE US Naval Observatory Master Clock Link: Official United States Time: US Gov't TV, Cable, Radio, etc. GPS FAA
  • RIGHT NOW: #TheWalkingDeadMarathon - Then #TheWalkingDead MID-SEADON FINALE - 21:00 EST / 19:00 MST - COOL TIME LINK:
  • What time is it?
  • @Joey__Bee I was wondering if I sailed thru two 1 am's too. Guess I did.
  • just set my watch, US Eastern is -5 GMT now.
  • As we return to STANDARD TIME, you may want to ‘tighten-up’ the clocks in your house. Naval Observatory Clock LINK:
  • The Official Source of Time for the Department of Defense (DoD) and for the GPS, and a Standard of Time for the EEUU
  • 1111
  • @DavidBflower It's the way of the astronomer. Best to set an observing clock 1 hour back to UT.
  • @simondlr @BitcoinBelle These days it's pretty much the US Naval Observatory Master Clock. #TrueStory
  • @mboorstein I mean, sure, if I were these guys:
  • Set your clocks!!
  • What phase of the moon were you born under?
  • @23microbe UTC time is on the display as well. It was correct UTC time when I did the screen shot live. I checked!
  • For those who don't know how #AtomicClocks work Interesting read
  • "A man with a watch knows what time it is. A man with two watches is never sure." -- Segal's Law