www.yoonedu.net/ 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://www.yoonedu.net/ server time check history

2026-11-10 12:18:03 KST 0.268625
2026-11-10 12:16:03 KST -0.576312
2026-05-07 16:58:50 KST 0.388256
2026-03-29 07:37:07 KST -0.238982
2020-12-04 15:56:11 KST -0.792695
2020-12-04 14:50:08 KST -0.722577
2020-11-26 06:58:33 KST -0.950839
2020-11-16 12:59:10 KST -0.235683
Average -0.357525875

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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.

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.