| # | time.nist.gov | Colorado, USA
|
|---|
| 1 | time-b.nist.gov | Maryland, USA |
| 2 | time-a.timefreq.bldrdoc.gov | Colorado, USA |
| 3 | time-nw.nist.gov | Washington, USA |
| 4 | utcnist.colorado.edu | Colorado, USA |
| 5 | nist1.datum.com | California, USA |
| 6 | nist1.nyc.certifiedtime.com | New York, USA |
| 7 | nist1.sjc.certifiedtime.com | California, USA |
| 8 | swisstime.ethz.ch | Zurich, Switzerland |
| 9 | time.ien.it | Torino, Italy |
| 10 | ntp1.fau.de | Erlangen, Germany |
| 11 | ntp.cs.mu.oz.au | Melbourne, Australia |
| 12 | tick.usno.navy.mil | Washington, USA |
| 13 | canon.inria.fr | Rocquencourt, France |
| 14 | clock.nc.fukuoka-u.ac.jp | Fukuoka, Japan |
| 15 | ntp2.ja.net | London, United Kingdom |
| 16 | ntp0.nl.net | Amsterdam, The Netherlands |
| 17 | time.service.uit.no | Tromsoe, Norway |
| 18 | time1.stupi.se | Stockholm, Sweden |
| 19 | clock.uregina.ca | Saskatchewan, Canada |
| 20 | time.nist.gov | ##
|
