Well, thereĀ is a easy way to check it. It needs 4 steps to do, see following: STEP 1 (Test the current server): Try issuing the following command: $ ntpq -pn remote refid st t when poll reach delay offset jitter =================================================== tock.usno.navy 0.0.0.0 16 u – 64 0 0.000 0.000 4000.00 The above is an