dis.duksung.ac.kr/dsu-is/lecture/main.jsp 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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https://dis.duksung.ac.kr/dsu-is/lecture/main.jsp server time check history

2020-04-28 23:57:43 KST 2.224681
2019-09-03 19:02:47 KST -0.087747
2019-08-29 20:58:40 KST -0.039276
2019-03-07 08:57:33 KST -0.177714
2019-03-07 08:53:17 KST -0.015853
2019-03-05 09:55:13 KST 0.009741
2019-02-25 14:35:36 KST 0.025650
2019-02-25 14:31:48 KST -0.125871
2019-02-15 09:58:01 KST -0.210708
2019-02-15 09:37:59 KST 0.035652
Average 0.1638555

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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.