NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

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우리말 English

http://roco.pw/ server time check history

  • 2022-04-19 11:54:25 KST -3.873512
  • 2022-04-09 05:56:48 KST -2.137469
  • 2022-03-30 00:25:30 KST -3.294039
  • 2022-01-11 06:04:24 KST 0.223243
  • 2022-01-07 00:34:19 KST -0.590390
  • 2022-01-02 20:07:02 KST -0.292491
  • 2021-12-30 07:52:27 KST -0.992179
  • 2021-12-27 06:59:49 KST -0.937191
  • 2021-12-24 04:54:22 KST -0.298896
  • 2021-12-20 13:55:21 KST -0.703389
  • Average -1.2896313

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We fetch a server clock and let you see

Webservers transmit their time in seconds unit, so without special treatment, the maximum error would be as big as 1 second. NKO Atomic Clock calculates a server time more than ten times in 1 second and seize the moment when the second changes. Thus we can minimize the calculation error as small as 0.1 second. Moreover, delays between our server and a destination server are considered so the accuracy of time increases.

NKO supports the HTTPS protocol and subdomains

Some servers use different servers over protocols or subdomains. You can get a desired result by specifying more details.


# You need to tell us an exact server address. For example, some sites host differently by whether the address begin with WWW or not.

# Even if your computer clock isn't synchronized, NKO always will display correct time.

# If you click a numeric time error in the history view, the clock will use that measurement.

# The results can have quite much error if the destination server is under load balancing. Please refer to a variance in the server time history information.

# A particular service uses its own time clock, different with web servers' clock. in this case, server time guessing is not meaningful.