Chrony Graphs [Data Legend]

Day
Week
Month
Chrony server statistics graph - day
Chrony system clock offset graph - day
Chrony system clock tracking graph - day
Chrony sync delay graph - day
Chrony clock frequency graph - day
Chrony clock frequency drift graph - day
Chrony server statistics graph - week
Chrony system clock offset graph - week
Chrony system clock tracking graph - week
Chrony sync delay graph - week
Chrony clock frequency graph - week
Chrony clock frequency drift graph - week
Chrony server statistics graph - month
Chrony system clock offset graph - month
Chrony system clock tracking graph - month
Chrony sync delay graph - month
Chrony clock frequency graph - month
Chrony clock frequency drift graph - month

Chrony - NTP Statistics

Command: chronyc -n sources -v


  .-- Source mode  '^' = server, '=' = peer, '#' = local clock.
 / .- Source state '*' = current best, '+' = combined, '-' = not combined,
| /             'x' = may be in error, '~' = too variable, '?' = unusable.
||                                                 .- xxxx [ yyyy ] +/- zzzz
||      Reachability register (octal) -.           |  xxxx = adjusted offset,
||      Log2(Polling interval) --.      |          |  yyyy = measured offset,
||                                \     |          |  zzzz = estimated error.
||                                 |    |           \
MS Name/IP address         Stratum Poll Reach LastRx Last sample               
===============================================================================
#* PPS                           0   4   377    11   +208ns[ +301ns] +/-  184ns
^- 2606:4700:f1::1               3  10   377   163   -100us[ -100us] +/- 4081us
^- 2001:14b8:1000::5             2  10   377   539    -46us[  -46us] +/- 2950us
^- 135.181.151.153               2  10   377   166   -204us[ -205us] +/- 3474us
^- 178.251.154.103               2  10   377   281    +96us[  +96us] +/- 1319us
^- 194.100.49.152                2  10   377   769    -70us[  -70us] +/- 1984us
^- 84.217.23.201                 1  10   377   486    +88us[  +89us] +/- 8187us

Command: chronyc -n selectdata -v

  . State: N - noselect, s - unsynchronised, M - missing samples,
 /         d/D - large distance, ~ - jittery, w/W - waits for others,
|          S - stale, O - orphan, T - not trusted, P - not preferred,
|          U - waits for update,, x - falseticker, + - combined, * - best.
|   Effective options   ---------.  (N - noselect, P - prefer
|   Configured options  ----.     \  T - trust, R - require)
|   Auth. enabled (Y/N) -.   \     \     Offset interval --.
|                        |    |     |                       |
S Name/IP Address        Auth COpts EOpts Last Score     Interval  Leap
=======================================================================
* PPS                       N -P--- -P---    7   1.0  -239ns  +757ns  N
P 2606:4700:f1::1           N ----- -----  158   1.0 -3634us +3763us  N
P 2001:14b8:1000::5         N ----- -----  534   1.0 -2874us +2877us  N
P 135.181.151.153           N ----- -----  161   1.0 -3689us +3283us  N
P 178.251.154.103           N ----- -----  277   1.0 -1225us +1427us  N
P 194.100.49.152            N ----- -----  764   1.0 -1889us +1714us  N
P 84.217.23.201             N ----- -----  482   1.0 -8093us +8275us  N

Command: chronyc -n sourcestats -v

                             .- Number of sample points in measurement set.
                            /    .- Number of residual runs with same sign.
                           |    /    .- Length of measurement set (time).
                           |   |    /      .- Est. clock freq error (ppm).
                           |   |   |      /           .- Est. error in freq.
                           |   |   |     |           /         .- Est. offset.
                           |   |   |     |          |          |   On the -.
                           |   |   |     |          |          |   samples. \
                           |   |   |     |          |          |             |
Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
PPS                         7   4    96     -0.002      0.042     -7ns   513ns
2606:4700:f1::1            10   5  155m     +0.010      0.036    -16us    66us
2001:14b8:1000::5          18   9  189m     +0.013      0.009    +43us    30us
135.181.151.153             6   5   86m     +0.005      0.071   -165us    36us
178.251.154.103             7   5  103m     +0.018      0.026   +115us    21us
194.100.49.152             16  12  232m     +0.002      0.007    -85us    26us
84.217.23.201              14   8  172m     +0.002      0.004    +90us    11us

Command: chronyc -n tracking

Reference ID    : 50505300 (PPS)
Stratum         : 1
Ref time (UTC)  : Sun Jun 07 01:59:39 2026
System time     : 0.000000061 seconds fast of NTP time
Last offset     : +0.000000063 seconds
RMS offset      : 0.000000418 seconds
Frequency       : 7.952 ppm fast
Residual freq   : -0.002 ppm
Skew            : 0.043 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.000013782 seconds
Update interval : 16.0 seconds
Leap status     : Normal