uni.yonsei.ac.kr/contents/course_request.htm?ca_course=it 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://uni.yonsei.ac.kr/contents/course_request.htm?ca_course=it server time check history

2021-11-28 04:53:27 KST 0.010043
2021-10-29 21:38:33 KST 0.110367
2018-08-20 02:37:44 KST -2.469733
2018-05-20 06:15:26 KST -0.508303
2018-05-06 10:17:11 KST -0.429927
2018-04-28 21:12:40 KST -1.316972
2018-04-27 13:17:42 KST -3.094959
2018-04-17 00:25:26 KST -1.149013
2018-04-03 07:57:27 KST -0.190353
2018-03-30 05:28:28 KST -0.175341
Average -0.9214191

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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.