If you ever need to know the current time, GMT that is, (also known as UTC) then just have a look at the NIST clock.
This public service is provided by the Time and Frequency Division of the National Institute of Standards and Technology (NIST). It uses the national time scale UTC(NIST) as its time reference.
The NIST Clock is intended as a time-of-day service only and should not be used to measure frequency or time interval.
Interestingly, you can also download software from NIST to use the Internet to automatically set your computer clock to the correct time using the Internet Time Service.
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