Chrony Graphs [Data Legend]

Day
Week
Month
Year
Chrony serverstats graph - day
Chrony offset graph - day
Chrony tracking graph - day
Chrony delay graph - day
Chrony frequency graph - day
Chrony drift graph - day
Chrony serverstats graph - week
Chrony offset graph - week
Chrony tracking graph - week
Chrony delay graph - week
Chrony frequency graph - week
Chrony drift graph - week
Chrony serverstats graph - month
Chrony offset graph - month
Chrony tracking graph - month
Chrony delay graph - month
Chrony frequency graph - month
Chrony drift graph - month
Chrony serverstats graph - year
Chrony offset graph - year
Chrony tracking graph - year
Chrony delay graph - year
Chrony frequency graph - year
Chrony drift graph - year

vnStati Graphs

vnStat summary
vnStat daily
vnStat top 10
 vnStat hourly
vnStat monthly
vnStat yearly

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               
===============================================================================
#x NMEA                          0   0   377     0    +60ms[  +60ms] +/- 1000us
#* PPS                           0   3   377     8   -341ns[ -497ns] +/-  215ns
^? 193.57.159.118                2  10   377   340  -5273us[-5280us] +/-   57ms
^? 217.154.37.71                 2  10   372   36m  -8146us[-8284us] +/-   18ms
^? 82.41.0.250                   3  10   377   106  -6697us[-6696us] +/-   12ms
^? 139.162.224.201               2  10   213   450  -3950us[-3960us] +/-   27ms

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
=======================================================================
x NMEA                      N ----- -----    0   1.0   +59ms   +62ms  N
* PPS                       N --T-- --T--    7   1.0  -671ns   -20ns  N
T 193.57.159.118            N ----- -----  340   1.0   -29ms   +22ms  N
T 217.154.37.71             N ----- -----  36m   1.0   -25ms   +11ms  N
T 82.41.0.250               N ----- -----  106   1.0   -17ms +5635us  N
T 139.162.224.201           N ----- -----  449   1.0   -31ms   +23ms  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
==============================================================================
NMEA                       64  34    63    +12.133     50.911    +63ms  2150us
PPS                        13   6    97     -0.001      0.014     -3ns   366ns
193.57.159.118             12   7  189m     -0.175      0.084  -3484us   195us
217.154.37.71               6   3  103m     -0.225      0.354  -7262us   175us
82.41.0.250                 6   4  103m     -0.293      0.636  -5500us   339us
139.162.224.201             6   3  224m     -0.114      0.859  -3078us  1248us

Command: chronyc -n tracking

Reference ID    : 50505300 (PPS)
Stratum         : 1
Ref time (UTC)  : Thu Jul 16 16:54:53 2026
System time     : 0.000000117 seconds slow of NTP time
Last offset     : -0.000000170 seconds
RMS offset      : 0.000000269 seconds
Frequency       : 3.503 ppm slow
Residual freq   : -0.001 ppm
Skew            : 0.017 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.000009027 seconds
Update interval : 8.0 seconds
Leap status     : Normal