TimeTools synchronised digital wall clocks obtain accurate time from an NTP time server. The NTP time server can be located on the local internet or a public internet based ntp time server can be utilised.
Here is a selection of public NTP Servers available for the synchronised digital wall clocks on the internet:
Internet Based Stratum 1 NTP Time Servers
| Hostname |
IP Address |
Use DNS |
Location |
Server Synchronisation |
| chronos.csr.net |
194.35.252.7 |
Yes |
Computing Systems Research Ltd. United Kingdom |
NTP V4 primary (Odetics GPS), Sun/Sparc Solaris 2.6 |
| ntp.my-inbox.co.uk |
81.168.77.149 |
No |
Falmouth, Cornwall, UK |
NTP V4.2.0 primary (MSF Radio Clock Receiver), Trustix Linux |
Internet Based Stratum 2 NTP Time Servers
| Hostname |
IP Address |
Use DNS |
Location |
Server Synchronisation |
| ntp2.sandvika.net |
194.164.127.6 |
No |
Telehouse Europe, London E14 |
NTP V4 secondary Sun UltraSPARC Solaris 8 |
| ntp2d.mcc.ac.uk |
130.88.203.12 |
Yes |
University of Manchester, Manchester, England |
NTP secondary (S2), SGI/Irix |
| ntp2c.mcc.ac.uk |
130.88.200.4 |
Yes |
University of Manchester, Manchester, England |
NTP secondary (S2), PC/FreeBSD |
| ntp.exnet.com |
194.207.34.9 |
Yes |
ExNet Ltd, London, UK |
NTP secondary (stratum 2), Sun-4/Unix |
| audaxsystems.co.uk |
193.201.200.83 |
Yes |
Interhouse London E14 |
NTP V4, SuSE 9.0 (Stratum 1) |
| ntp1.sandvika.net |
194.164.127.5 |
No |
Telehouse Europe, London E14 |
NTP V4 secondary Sun UltraSPARC Solaris 8 |
| ntp.cis.strath.ac.uk |
|
Yes |
University of Strathclyde, Glasgow, Scotland |
NTP V4 secondary |
| ntp0.sandvika.net |
194.164.127.4 |
No |
Telehouse Europe, London E14 |
NTP V4 secondary Sun UltraSPARC Solaris 8 |
|
