www.crystalvalley.co.kr/html/reserve/reserve03.asp?book_yymm=201806 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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http://www.crystalvalley.co.kr/html/reserve/reserve03.asp?book_yymm=201806 server time check history

2021-09-16 08:58:55 KST -2.860070
2021-04-15 08:58:39 KST -2.647797
2021-02-04 11:10:46 KST -2.313336
2021-02-01 10:09:58 KST -0.847697
2021-02-01 08:53:47 KST -0.859066
2018-07-26 13:27:42 KST -4.980772
2018-06-18 09:46:31 KST -5.841717
2018-06-18 08:57:23 KST -5.276824
2018-06-18 08:55:57 KST -5.901509
Average -3.5031986666667

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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.