phds.yschool.co.kr/ 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://phds.yschool.co.kr/ server time check history

2022-05-12 01:17:39 KST -0.333107
2022-04-02 03:06:42 KST -3.330692
2021-02-25 06:55:14 KST -1.268576
2021-02-20 00:30:46 KST -2.603751
2019-08-10 17:19:19 KST -0.831442
2018-08-07 20:27:08 KST -1.587408
2018-08-07 20:22:32 KST -1.545550
2018-05-22 16:34:48 KST -0.435184
2018-05-22 16:33:44 KST -0.399368
2018-05-07 13:03:15 KST -2.325964
Average -1.4661042

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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.