time.google.com
time1.google.com
time2.google.com
time3.google.com
time4.google.com
time.windows.com
time.apple.com
time.euro.apple.com
clepsydra.dec.com/clepsydra.labs.hp.com/clepsydra.hpl.hp.com
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
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
ntp21.vniiftri.ru
ntp.mobatime.ru
ntp1.stratum1.ru
ntp2.stratum1.ru
ntp3.stratum1.ru
ntp4.stratum1.ru
ntp5.stratum1.ru
ntp2.stratum2.ru
ntp3.stratum2.ru
ntp4.stratum2.ru
ntp5.stratum2.ru
stratum1.net
ts1.aco.net
ts2.aco.net
ntp1.net.berkeley.edu
ntp2.net.berkeley.edu
tick.usask.ca
tock.usask.ca
ntp.nsu.ru
ntp.rsu.edu.ru
clock.nyc.he.net
clock.sjc.he.net
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
ntp.ix.ru
clock.isc.org
ntp0.as34288.net
ntp1.as34288.net
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
amazon.pool.ntp.org
0.amazon.pool.ntp.org
1.amazon.pool.ntp.org
2.amazon.pool.ntp.org
3.amazon.pool.ntp.org
http://www.pool.ntp.org/zone/north-america
https://gist.github.com/azet/2084399
asynchronos.iiss.at ntpstm.netbone-digital.com time.ufe.cz time.fu-berlin.de atom.uhr.de ntp3.usv.ro utcnist2.colorado.edu timekeeper.isi.edu nist1.symmetricom.com t2.timegps.net gps.layer42.net rackety.udel.edu mizbeaver.udel.edu otc1.psu.edu timehost.lysator.liu.se