NKO Atomic Clock

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

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NKO Atomic Clock
초시계(스톱워치) 남은/지난 시간(D-DAY) 새로고침
☞ Install NKO Atomic Clock(Android app) at Google Playstore
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우리말 English

https://oneus.com/ server time check history

  • 2025-06-19 14:17:22 KST 0.032773
  • 2025-06-17 10:11:52 KST -0.005092
  • 2025-06-16 18:57:22 KST -0.000317
  • 2025-01-24 19:09:38 KST 0.021340
  • 2025-01-23 14:46:12 KST 0.005331
  • 2025-01-23 11:52:54 KST -0.035774
  • 2025-01-22 18:38:18 KST -0.022376
  • 2025-01-21 21:01:06 KST -0.035573
  • 2025-01-21 20:56:48 KST -0.009076
  • 2025-01-17 21:14:52 KST -0.010447
  • Average -0.0059211

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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.

Information

# 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.