portal.yonsei.ac.kr/ 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

엔코 원자시계

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http://portal.yonsei.ac.kr/ server time check history

2020-04-14 22:37:40 KST 0.008556
2020-02-20 08:59:37 KST -0.049631
2020-02-20 01:08:13 KST -0.005682
2019-08-27 08:49:38 KST 0.014074
2019-08-27 08:26:51 KST -0.007206
2019-08-10 15:27:46 KST -0.015551
2019-03-07 07:47:31 KST -0.050878
2019-03-07 07:46:30 KST -0.019286
2019-02-26 08:57:13 KST -0.031613
2019-02-26 08:53:00 KST -0.020998
Average -0.0178215

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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.