yeyak.seoul.go.kr/web/reservation/insertFormReserve.do 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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https://yeyak.seoul.go.kr/web/reservation/insertFormReserve.do server time check history

2024-05-08 08:53:02 KST -0.049001
2023-12-27 09:00:42 KST 0.000684
2023-12-27 08:58:32 KST -0.074862
2023-11-01 08:56:05 KST 0.006215
2023-11-01 08:55:03 KST -0.045158
2023-10-18 08:58:23 KST -0.043757
2023-10-05 10:45:59 KST -0.009348
2023-10-05 09:04:52 KST -0.007275
2023-10-05 08:57:46 KST -0.002066
2023-09-20 08:49:41 KST 0.004171
Average -0.0220397

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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.