ggg.schm.co.kr/supplement/course_chart.php?USER_NO=5659 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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https://ggg.schm.co.kr/supplement/course_chart.php?USER_NO=5659 server time check history

2021-08-28 00:03:49 KST -3.999549
2021-08-28 00:01:17 KST -3.790058
2021-08-22 02:48:48 KST -29.759039
2021-06-10 10:59:26 KST -15.302071
2020-04-25 19:16:51 KST -23.763508
2020-01-01 13:50:04 KST -26.679448
2019-10-09 23:47:10 KST -3.421106
2018-11-14 00:41:04 KST -0.936633
2018-10-31 19:21:17 KST -1.187357
Average -12.093196555556

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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.