measure time difference between client/server and time server with atomic clock

web server ping time:0.041 ms

Current Server Time:

Time check from time server time-C.timefreq.bldrdoc.gov
56438 13-05-26 08:18:54 50 0 0 947.0 UTC(NIST) *

color codes

+- 2  seconds white 
>  2  seconds yellow
> 10  seconds orange
> 20  seconds red
< -2  seconds cyan
< -10 seconds blue
< -20 seconds black