cyber.jj.ac.kr/login.php 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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https://cyber.jj.ac.kr/login.php server time check history

2022-04-22 10:09:04 KST -0.035103
2022-04-22 09:57:16 KST 0.021900
2022-04-16 18:17:45 KST 0.021176
2022-04-15 23:34:40 KST 0.149303
2021-04-29 14:05:04 KST -0.018568
2020-05-13 14:58:49 KST 0.000927
2020-05-11 21:10:06 KST -0.016243
2020-03-26 02:25:15 KST 0.060369
2019-07-21 15:27:41 KST -0.056233
2018-07-20 13:12:56 KST 20.508676
Average 2.0636204

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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.