seowon.seowon.ac.kr/websamp/suga_11b.htm 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://seowon.seowon.ac.kr/websamp/suga_11b.htm server time check history

2019-08-03 01:36:38 KST -0.089028
2019-02-12 08:30:14 KST 9.533127
2018-08-02 20:42:54 KST 102.733969
2018-08-02 15:23:50 KST 101.739470
2018-06-23 08:21:28 KST -23.761568
2018-02-19 08:57:34 KST 5.925723
2018-02-09 08:31:44 KST 7.995744
2018-02-08 08:53:31 KST 8.572029
2017-08-14 01:18:21 KST -34.313919
2017-02-09 08:53:52 KST -1.802700
Average 17.6532847

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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.