yeyak.seoul.go.kr/request.web?execution=e1s4 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

엔코 원자시계

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https://yeyak.seoul.go.kr/request.web?execution=e1s4 server time check history

2021-06-04 02:34:14 KST -0.063890
2021-06-03 19:40:50 KST 0.003071
2020-08-12 01:37:46 KST -0.023476
2019-12-12 16:05:58 KST 0.202706
2018-10-23 08:40:00 KST -0.024138
2018-09-18 08:53:02 KST -0.053986
2018-09-17 08:57:12 KST -0.013538
2018-09-05 06:43:44 KST -0.006915
2018-09-04 10:57:20 KST -0.032274
2018-09-04 08:54:34 KST -0.040333
Average -0.0052773

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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.