sogang.ac.kr/sap/bc/bsp/sap/zcm001/default.htm 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://sogang.ac.kr/sap/bc/bsp/sap/zcm001/default.htm server time check history

2021-02-22 13:45:03 KST -0.372761
2021-02-22 12:46:52 KST -0.619883
2020-08-11 10:57:57 KST -0.628768
2020-03-03 05:31:40 KST -0.897460
2019-08-18 11:03:48 KST -0.870771
2018-08-13 15:02:58 KST -0.395746
2018-08-12 05:48:36 KST -0.543424
2018-08-11 05:50:24 KST -0.238487
2018-08-09 09:56:17 KST -0.049318
2018-08-09 09:55:05 KST -0.579904
Average -0.5196522

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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.