for-s.seoultech.ac.kr/html/login.html 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://for-s.seoultech.ac.kr/html/login.html server time check history

2017-07-29 14:14:14 KST -0.995165
2017-05-06 21:53:15 KST -4.150466
2017-02-05 00:33:05 KST -0.874699
2017-01-16 15:43:25 KST -0.929539
2016-07-27 08:55:28 KST -1.058809
2016-07-27 08:53:28 KST -1.083549
2016-07-27 08:45:57 KST -1.046883
2016-07-26 15:16:42 KST -1.130043
2016-07-26 15:09:40 KST -1.155219
2016-07-26 15:07:19 KST -1.162949
Average -1.3587321

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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.