SMSCC events use WWV to set clocks to Coordinated
(formerly known as Greenwich Mean Time), with the hour adjusted to local time.
Time dot Gov
Atomic Time dot Net
The following are amusing to watch but they are only as accurate as your computer's clock.
Magic Clock Nude Men Clock
There may be a
noticeable delay when calling
from a cell phone)
WWV - National Institute of Standards and Technology - (303) 499-7111 - Fort Collins, CO
(Note: There may be a charge for calling numbers outside the continental U.S.)
WWVH - NIST - (808) 335-4363 - Kekaha (Kauai), HI
CHU - National Research Council of Canada - (613) 745-1576 (English) - Ottawa, Ontario
CHU - Conseil national de recherches du Canada - (613) 745-9426 (Franšais) - Ottawa, Ontario