$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.19 2 u 631 1024 377 27.550 -0.163 0.875 *210.173.160.57 133.243.236.20 2 u 568 1024 377 26.956 -0.235 0.753 +210.173.160.87 133.243.236.19 2 u 620 1024 377 27.469 0.531 0.715