NKO Atomic Clock

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

Chatroom by domain
우리말 English

https://docs.google.com/forms/d/e/1FAIpQLSeC8b8Sulh5nT-0H24v0MhbMltjHfcjUdU3qTw0bdENbx8r0Q/viewform server time check history

  • 2023-10-05 04:23:57 KST -0.014962
  • 2023-10-05 02:54:23 KST 0.064134
  • 2023-10-04 16:31:09 KST 0.086707
  • 2023-10-02 14:21:09 KST 0.064700
  • 2023-10-01 14:29:49 KST 0.043600
  • 2023-10-01 03:30:30 KST 0.027417
  • 2023-10-01 03:02:34 KST 0.002959
  • 2023-09-30 03:04:49 KST 0.031664
  • 2023-09-30 02:20:44 KST 0.011190
  • 2023-09-26 18:29:05 KST 0.044316
  • Average 0.0361725

Recent view

Popular checks

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.