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List of Top Public Time Servers

Google Public NTP [AS15169]:

time.google.com

time1.google.com

time2.google.com

time3.google.com

time4.google.com

Cloudflare NTP [AS13335]:

time.cloudflare.com

Facebook NTP [AS32934]:

time.facebook.com

time1.facebook.com

time2.facebook.com

time3.facebook.com

time4.facebook.com

time5.facebook.com

Microsoft NTP server [AS8075]:

time.windows.com

Apple NTP server [AS714, AS6185]:

time.apple.com

time.euro.apple.com

DEC/Compaq/HP:

clepsydra.dec.com/clepsydra.labs.hp.com/clepsydra.hpl.hp.com

NIST Internet Time Service (ITS) [AS49, AS104]:

time-a-g.nist.gov

time-b-g.nist.gov

time-c-g.nist.gov

time-d-g.nist.gov

time-a-wwv.nist.gov

time-b-wwv.nist.gov

time-c-wwv.nist.gov

time-d-wwv.nist.gov

time-a-b.nist.gov

time-b-b.nist.gov

time-c-b.nist.gov

time-d-b.nist.gov

time.nist.gov

utcnist.colorado.edu

utcnist2.colorado.edu

VNIIFTRI:

Stratum 1:

ntp1.vniiftri.ru

ntp2.vniiftri.ru

ntp3.vniiftri.ru

ntp4.vniiftri.ru

ntp1.niiftri.irkutsk.ru

ntp2.niiftri.irkutsk.ru

vniiftri.khv.ru

vniiftri2.khv.ru

Stratum 2:

ntp21.vniiftri.ru

Mobatime:

Stratum 1:

ntp.mobatime.ru

NTP SERVERS:

Stratum 1:

ntp1.stratum1.ru

ntp2.stratum1.ru

ntp3.stratum1.ru

ntp4.stratum1.ru

ntp5.stratum1.ru

Stratum 2:

ntp2.stratum2.ru

ntp3.stratum2.ru

ntp4.stratum2.ru

ntp5.stratum2.ru

Stratum1:

Stratum 1:

stratum1.net

Company Delfa Co. Ltd. [AS8915]:

ntp.ru

ACO.net [AS1853]:

ts1.aco.net

ts2.aco.net

Berkeley [AS25]:

Stratum 1:

ntp1.net.berkeley.edu

ntp2.net.berkeley.edu

Georgia State University [AS10631]:

ntp.gsu.edu

University of Saskatchewan [AS22950]:

tick.usask.ca

tock.usask.ca

NSU [AS3335]:

Stratum 2:

ntp.nsu.ru

RSU [AS47124]:

Stratum 1:

ntp.rsu.edu.ru

National Institute of Information and Communications Technology [AS9355]:

ntp.nict.jp

HE.net [AS6939]:

clock.nyc.he.net

clock.sjc.he.net

TRC Fiord [AS28917]:

ntp.fiord.ru

Netnod NTP service [AS57021]:

Stratum 1:

Göteborg:

gbg1.ntp.se

gbg2.ntp.se

Malmö:

mmo1.ntp.se

mmo2.ntp.se

Stockholm:

sth1.ntp.se

sth2.ntp.se

Sundsvall:

svl1.ntp.se

svl2.ntp.se

Anycast address for nearest NTP server of the above:

ntp.se

YYCIX NTP [AS396515]:

ntp.yycix.ca

MSK-IX NTP [AS43832]:

Stratum 1:

ntp.ix.ru

Trabia-Network [AS43289]:

time-a.as43289.net

time-b.as43289.net

time-c.as43289.net

RIPE [AS3333]:

ntp.ripe.net

Internet Systems Consortium [AS1280]:

clock.isc.org (prev ntp.isc.org)

TimeNL/SIDN Labs [AS1140]:

ntp.time.nl (ntp1.time.nl)

Kantonsschule Zug [AS34288]:

ntp0.as34288.net

ntp1.as34288.net

INTERNET MULTIFEED CO. [AS7521]:

ntp1.jst.mfeed.ad.jp

ntp2.jst.mfeed.ad.jp

ntp3.jst.mfeed.ad.jp

NTP Pool:

pool.ntp.org

0.pool.ntp.org

1.pool.ntp.org

2.pool.ntp.org

3.pool.ntp.org

europe.pool.ntp.org

0.europe.pool.ntp.org

1.europe.pool.ntp.org

2.europe.pool.ntp.org

3.europe.pool.ntp.org

asia.pool.ntp.org

0.asia.pool.ntp.org

1.asia.pool.ntp.org

2.asia.pool.ntp.org

3.asia.pool.ntp.org

ru.pool.ntp.org

0.ru.pool.ntp.org

1.ru.pool.ntp.org

2.ru.pool.ntp.org

3.ru.pool.ntp.org

0.gentoo.pool.ntp.org

1.gentoo.pool.ntp.org

2.gentoo.pool.ntp.org

3.gentoo.pool.ntp.org

0.arch.pool.ntp.org

1.arch.pool.ntp.org

2.arch.pool.ntp.org

3.arch.pool.ntp.org

0.fedora.pool.ntp.org

1.fedora.pool.ntp.org

2.fedora.pool.ntp.org

3.fedora.pool.ntp.org

0.opensuse.pool.ntp.org

1.opensuse.pool.ntp.org

2.opensuse.pool.ntp.org

3.opensuse.pool.ntp.org

0.centos.pool.ntp.org

1.centos.pool.ntp.org

2.centos.pool.ntp.org

3.centos.pool.ntp.org

0.debian.pool.ntp.org

1.debian.pool.ntp.org

2.debian.pool.ntp.org

3.debian.pool.ntp.org

0.askozia.pool.ntp.org

1.askozia.pool.ntp.org

2.askozia.pool.ntp.org

3.askozia.pool.ntp.org

0.freebsd.pool.ntp.org

1.freebsd.pool.ntp.org

2.freebsd.pool.ntp.org

3.freebsd.pool.ntp.org

0.netbsd.pool.ntp.org

1.netbsd.pool.ntp.org

2.netbsd.pool.ntp.org

3.netbsd.pool.ntp.org

0.openbsd.pool.ntp.org

1.openbsd.pool.ntp.org

2.openbsd.pool.ntp.org

3.openbsd.pool.ntp.org

0.dragonfly.pool.ntp.org

1.dragonfly.pool.ntp.org

2.dragonfly.pool.ntp.org

3.dragonfly.pool.ntp.org

0.pfsense.pool.ntp.org

1.pfsense.pool.ntp.org

2.pfsense.pool.ntp.org

3.pfsense.pool.ntp.org

0.opnsense.pool.ntp.org

1.opnsense.pool.ntp.org

2.opnsense.pool.ntp.org

3.opnsense.pool.ntp.org

0.amazon.pool.ntp.org

1.amazon.pool.ntp.org

2.amazon.pool.ntp.org

3.amazon.pool.ntp.org

Other:

.mil:

tick.usno.navy.mil

tock.usno.navy.mil

ntp2.usno.navy.mil

.edu:

utcnist2.colorado.edu

timekeeper.isi.edu

rackety.udel.edu

mizbeaver.udel.edu

otc1.psu.edu

gnomon.cc.columbia.edu

navobs1.gatech.edu

navobs1.wustl.edu

now.okstate.edu

ntp.colby.edu

ntp-s1.cise.ufl.edu

.com:

ntpstm.netbone-digital.com

nist1.symmetricom.com

.net:

t2.timegps.net

gps.layer42.net

ntp-ca.stygium.net

sesku.planeacion.net

ntp0.nl.uu.net

ntp1.nl.uu.net

navobs1.oar.net

ntp-galway.hea.net

.org:

ntp1.ona.org

.de:

time.fu-berlin.de

atom.uhr.de

ntps1-0.cs.tu-berlin.de

ntps1-1.cs.tu-berlin.de

ntps1-0.uni-erlangen.de

ntps1-1.uni-erlangen.de

ntp1.fau.de

ntp2.fau.de

ntp.dianacht.de

zeit.fu-berlin.de

ptbtime1.ptb.de

ptbtime2.ptb.de

rustime01.rus.uni-stuttgart.de

rustime02.rus.uni-stuttgart.de

.nl:

chime1.surfnet.nl

ntp.vsl.nl

.at:

asynchronos.iiss.at

.cz:

ntp.nic.cz

time.ufe.cz

.pl:

ntp.fizyka.umk.pl

tempus1.gum.gov.pl

tempus2.gum.gov.pl

.ro:

ntp1.usv.ro

ntp3.usv.ro

.se:

timehost.lysator.liu.se

time1.stupi.se

.ca:

time.nrc.ca

clock.uregina.ca

.mx:

cronos.cenam.mx

ntp.lcf.mx

.es:

hora.roa.es

minuto.roa.es

.it:

ntp1.inrim.it

ntp2.inrim.it

.be:

ntp1.oma.be

ntp2.oma.be

.hu:

ntp.atomki.mta.hu

.eus:

ntp.i2t.ehu.eus

.ch:

ntp.neel.ch

.cn:

ntp.neu.edu.cn

.jp:

ntp.nict.jp

.br:

ntps1.pads.ufrj.br

.cl:

ntp.shoa.cl

.int:

time.esa.int

time1.esa.int

http://support.ntp.org/bin/view/Servers/StratumOneTimeServers

http://support.ntp.org/bin/view/Servers/StratumTwoTimeServers

http://support.ntp.org/bin/view/Servers/NTPPoolServers

http://www.pool.ntp.org/zone/@

http://www.pool.ntp.org/zone/asia

http://www.pool.ntp.org/zone/europe

http://www.pool.ntp.org/zone/north-america

http://www.pool.ntp.org/zone/oceania

http://www.pool.ntp.org/zone/south-america

https://time.nl/

https://time.nl/index_en.html

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