Public NTP Servers

Online NTP servers are available as a source of atomic time or UTC (Coordinated Universal Time). The UK internet time servers listed on this page are taken from NTP.Servers Web and were correct on 2011-01-07.

hand with ethernet cable to receive public NTP server time

However, the time derived from internet time sources may be innacurate and it requires you to breach your firewall in order to obtain the signal, potentially giving hackers and or viruses entry to your network!

The only secure and accurate method of synchronising the correct time across a computer network is to use a dedicated NTP server. These devices receive an external atomic clock time signal often by GPS or even by radio transmissions and sit safely behind your firewall!

But, if we still haven't convinced you that a Galleon Systems dedicated network time server is the best choice - here are the lists of stratum 1 and stratum 2 NTP servers available on the internet:

See the ntp.org site for a full list of Public NTP Primary (stratum 1) Time Servers

Please also see the links at the bottom of the page for more information on NTP strata and internet time sources

UK Public NTP Primary (stratum 1) Time Servers
HostName: AccessPolicy: ServerContact: LastModified:
ntp0.jonatkins.com RestrictedAccess   2010-10-05T21:22:50Z
ntp.asql.co.uk RestrictedAccess Ian Marsh (imarsh@gmail.com) 2010-12-19T16:25:35Z
chronos.csr.net OpenAccess C Buckingham (chrisb@csr.net) 2004-09-27T02:14:29Z
ntp.shr.ug RestrictedAccess timelords @ nonanet.co.uk 2010-09-26T12:49:00Z
ntp2.ja.net ClosedAccess jips-nosc@nosc.ja.net 2004-09-27T02:17:55Z

Again, see the ntp.org site for a full list of Public NTP Secondary (stratum 2) Time Servers

UK Public NTP Secondary (stratum 2) Time Servers
HostName: AccessPolicy: Notify? ServerContact: LastModified:
ntp3.nonanet.net.uk RestrictedAccess Yes timelords @ nonanet.co.uk 2010-09-26T12:44:55Z
ntp2.sandvika.net OpenAccess No time@sandvika.net 2004-09-24T03:14:50Z
ntp2d.mcc.ac.uk OpenAccess Yes timelords@mcc.ac.uk 004-09-24T03:14:27Z
ntp.markyate.net OpenAccess Yes Alison Wheeler - timelord@markyate.net 2010-12-29T14:19:20Z
ntp2.nonanet.net.uk RestrictedAccess Yes timelords @ nonanet.co.uk 2010-09-26T12:45:44Z
ntp2c.mcc.ac.uk OpenAccess No timelords@mcc.ac.uk 2004-09-24T03:13:51Z
ntp0.uk.uu.net RestrictedAccess Yes timelord@uk.uu.net 2004-09-24T01:27:00Z
ntp.exnet.com OpenAccess Yes sysadmin@exnet.com or dhd@exnet.com 2004-09-24T03:12:10Z
ntp1.sandvika.net OpenAccess No time@sandvika.net 2004-09-24T03:13:01Z
weevil.pwns.ms OpenAccess No ntp@pwns.ms 2008-05-01T19:26:09Z
time-server.ndo.com RestrictedAccess No support@ndo.com 2005-08-19T11:34:00Z
ntp.cis.strath.ac.uk OpenAccess No Ian Gordon (ntp@cis.strath.ac.uk) 2004-09-24T03:11:56Z
ntp0.sandvika.net OpenAccess No time@sandvika.net 2004-09-24T01:17:00Z
time.sys.mywn.co.uk OpenAccess No webmaster@mywn.co.uk 2006-06-07T18:55:04Z
weta.pwns.ms OpenAccess No ntp@pwns.ms 2009-04-02T14:54:47Z
uk.ntp.f-box.org OpenAccess No DanielBartlett 2007-07-23T16:59:12Z
ntp0.borg-collective.org.uk OpenAccess No timelord@sorcerer.co.uk 2010-08-30T09:39:53Z
ntp2b.mcc.ac.uk OpenAccess No timelords@mcc.ac.uk 2004-09-24T03:15:00Z
ntp.pinklemon.net OpenAccess No jlps@pinklemon.net 2006-03-19T13:56:36Z
ntp2.uk.uu.net RestrictedAccess Yes timelord@uk.uu.net 2004-09-24T01:29:00Z
tick.myodn.ch OpenAccess No Dave Fisher (mitkaffee AT generalmail dot ch) 2010-03-03T17:05:47Z
tick.tanac.net OpenAccess Yes ntp@tanac.net 2004-09-24T01:36:32Z
extntp0.inf.ed.ac.uk OpenAccess Yes hostmaster@inf.ed.ac.uk 2006-03-27T12:56:41Z
ntp1.nonanet.net.uk RestrictedAccess Yes timelords @ nonanet.co.uk 2010-09-26T12:46:27Z
extntp1.inf.ed.ac.uk OpenAccess Yes hostmaster@inf.ed.ac.uk 2006-03-27T13:02:46Z
ntp1.uk.uu.net OpenAccess Yes timelord@uk.uu.net 2004-09-24T01:29:00Z

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