我收集的国外time server的名单，欢迎测试使用。
Active Servers
AR time.sinectis.com.ar (216.244.192.3)
AR tick.nap.com.ar (200.49.40.1)
AR tock.nap.com.ar (200.49.40.15)
AU ntp.saard.net (203.21.37.18)
BE ntp1.belbone.be (195.13.23.5)
BE ntp2.belbone.be (195.13.1.153)
BR ntp.cais.rnp.br (200.144.121.33)
BR ntp.hiway.com.br (200.246.53.5)
BR ntp.pop-pr.rnp.br (200.19.74.21)
BR ntp.ufes.br (200.137.65.132)
BR ntp1.pucpr.br (200.192.112.8)
CA ntp.cpsc.ucalgary.ca (136.159.2.1)
CA tick.utoronto.ca (128.100.103.252)
CA timelord.uregina.ca (142.3.100.15)
CZ ntp.globe.cz (81.95.96.3)
CZ ntp.karpo.cz (217.11.227.68)
CZ ntp1.contactel.cz (212.65.193.3)
CZ ntp2.contactel.cz (212.65.193.4)
DK clock.netcetera.dk (130.228.230.2)
GR ntp.mikroskosmos.com (213.5.174.2)
DK clock2.netcetera.dk (194.192.207.9)
ES slug.ctv.es [194.179.52.14]
)
FI tick.keso.fi (194.137.39.67)
FI tock.keso.fi (194.137.39.68)
FR ntp.ndsoftwarenet.com
FR ntp.obspm.fr
FR ntp.tuxfamily.net
FR ntp1.tuxfamily.net (80.67.177.2)
FR ntp2.tuxfamily.net (80.67.179.2)
FR ntp.univ-lyon1.fr (134.214.100.6)
FR ntp.via.ecp.fr (138.195.130.71)
HR zg1.ntp.carnet.hr (161.53.2.70)
HR zg2.ntp.carnet.hr (161.53.123.4)
HR st.ntp.carnet.hr (161.53.30.3)
HR ri.ntp.carnet.hr (161.53.40.3)
HR os.ntp.carnet.hr (161.53.200.8)
HU time.kfki.hu (148.6.0.1)
ID ntp.incaf.net (202.180.0.71)
99v ntps.net4u.it (80.83.192.129)
JP ntp.cyber-fleet.net
KR ntp.ewha.net [211.39.143.103]
KR time.nuri.net[203.255.112.4]
MX ntp2a.audiotel.com.mx (200.34.146.67)
MX ntp2b.audiotel.com.mx (200.34.146.68)
MX ntp2c.audiotel.com.mx (200.34.146.69)
MY ntp.doubleukay.com
NG ntp.supernet300.com (216.72.109.4)
NL ntp1.theinternetone.net (62.4.94.221)
NL ntp2.theinternetone.net (62.4.94.8)
NL ntp3.theinternetone.net (62.4.94.210)
NO fartein.ifi.uio.no (129.240.64.3)
NZ ntp.iprolink.co.nz (use DNS)
NZ ntp.massey.ac.nz (130.123.128.253)
NZ ntp.public.otago.ac.nz (139.80.64.114)
NZ tk1.ihug.co.nz, tk2.ihug.co.nz, tk3.ihug.co.nz (use DNS)
PL info.cyf-kr.edu.pl: 149.156.4.11
PT bug.fe.up.pt (193.136.54.1)
RO ntp.ip.ro (212.93.129.107)
RU ntp.psn.ru (194.149.67.130)
RU sign.chg.ru (193.233.46.10)
SE ntp.lth.se (130.235.20.3)
SG ntp.shim.org
SI biofiz.mf.uni-lj.si (193.2.69.10)
SI ntp1.arnes.si (193.2.1.66)
SI ntp2.arnes.si (193.2.1.92)
SI time.ijs.si (193.2.4.6)
SV clock.cimat.ues.edu.sv (168.243.7.66)
UA ntp.terabyte.com.ua (195.66.196.173)
UK bear.zoo.bt.co.uk (132.146.236.132)
UK ntp.cis.strath.ac.uk
UK ntp.exnet.com (194.207.34.9)
UK ntp2a.mcc.ac.uk (130.88.202.49)
UK ntp2b.mcc.ac.uk (130.88.200.98)
UK ntp2c.mcc.ac.uk (130.88.200.4)
UK ntp2d.mcc.ac.uk (130.88.203.12)
UK ntp{0|1|2}.sandvika.net (194.164.127.{4|5|6})
UK ntp0.uk.uu.net 158.43.128.33
UK ntp1.uk.uu.net 158.43.128.66
UK ntp2.uk.uu.net 158.43.192.66
UK tick.tanac.net (195.112.34.51)
UK time-server.ndo.com (195.7.224.135)
US AR sushi.compsci.lyon.edu (150.208.72.154)
US AZ decimal.lib.ci.phoenix.az.us (148.167.132.201)
US AZ dewey.lib.ci.phoenix.az.us (148.167.132.200)
US AZ ntp.drydog.com (207.211.160.111)
US CA clock.fmt.he.net (216.218.192.202)
US CA clock.sjc.he.net (216.218.254.202)
US CA ntp.ucsd.edu (132.239.254.49)
US CA ntp1.mainecoon.com (63.192.96.2)
US CA ntp2.mainecoon.com (63.192.96.3)
US CA ntp1.sf-bay.org (207.126.97.57)
US CA ntp2.sf-bay.org (204.74.68.55)
US CA reloj.kjsl.com (204.87.183.6)
US CA time.berkeley.netdot.net (216.27.190.202)
US CA time.five-ten-sg.com (205.147.40.34)
US CO ntp1.tummy.com
US DE louie.udel.edu (128.4.40.12)
US GA ntp.shorty.com (208.21.108.186)
US GA rolex.usg.edu
US GA timex.usg.edu
US IL chrivh40.cch.com (198.147.37.140)
US IL ntp-0.cso.uiuc.edu (130.126.24.53)
US IL ntp-1.cso.uiuc.edu (130.126.24.24)
US IL ntp-1.mcs.anl.gov (140.221.9.20)
US IL ntp-2.cso.uiuc.edu (130.126.24.44)
US IL ntp-2.mcs.anl.gov (140.221.9.6)
US IN gilbreth.ecn.purdue.edu (128.46.129.93, 128.46.141.93, 128.46.147.93, 128.46.148.93, 128.46.171.93)
US IN harbor.ecn.purdue.edu (128.46.128.76, 128.46.129.76, 128.46.154.76)
US IN horologe.cerias.purdue.edu(128.10.252.1)
US IN tick.cerias.purdue.edu(128.10.252.9), tock.cerias.purdue.edu(128.10.252.10)
US KS ntp1.kansas.net (199.240.130.1)
US KS ntp2.kansas.net (199.240.130.12)
US MA ntp.ourconcord.net (216.204.156.2)
US MN ns.nts.umn.edu (128.101.101.101)
US MN nss.nts.umn.edu (134.84.84.84)
US MO time-ext.missouri.edu (NO IP LISTED)
US MT chronos1.umt.edu (192.73.48.1)
US MT chronos2.umt.edu (192.73.48.2)
US MT chronos3.umt.edu (192.73.48.6)
US NC clock1.unc.edu (152.2.21.1)
US NJ tick.jrc.us (65.211.109.1)
US NJ tock.jrc.us (65.211.109.11)
US NV cuckoo.nevada.edu (131.216.1.101)
US NV tick.cs.unlv.edu (131.216.22.15)
US NV tock.cs.unlv.edu (131.216.22.17)
US NY clock.linuxshell.net (64.243.118.2)
US NY clock.nyc.he.net (209.51.161.238)
US NY ntp0.cornell.edu
US NY sundial.columbia.edu (128.59.59.177)
US NY timex.cs.columbia.edu (128.59.16.20)
US PA clock-1.cs.cmu.edu (128.2.250.95)
US PA clock-2.cs.cmu.edu (128.2.222.8)
US PA clock.psu.edu (128.118.25.3)
US PA fuzz.psc.edu (128.182.58.100)
US PA ntp-1.ece.cmu.edu (no address, please use DNS)
US PA ntp-2.ece.cmu.edu (no address, please use DNS)
US TX ntp.cox.smu.edu (129.119.80.126)
US TX ntp.fnbhs.com (209.144.20.76)
US TX ntp.tmc.edu (128.249.1.10)
US TX ntppub.tamu.edu (no address available)
US TX tick.greyware.com (207.55.146.19)
US TX tock.greyware.com (207.55.146.54)
US VA ntp-1.vt.edu (198.82.162.213)
US VA ntp-2.vt.edu (198.82.161.227)
US VA ntp.cmr.gov (140.162.8.3)
US VT ntp0.state.vt.us (159.105.23.194)
US VT ntp1.state.vt.us (159.105.23.130)
US VT ntp2.state.vt.us (170.222.64.130)
US WI ntp1.cs.wisc.edu (128.105.39.11)
US WI ntp3.cs.wisc.edu (128.105.37.11)
US WI ntp3.sf-bay.org (207.126.97.57)
VE ntp.linux.org.ve (150.188.8.196)
ZA ntp.cs.unp.ac.za (143.128.82.200)
ZA tock.nml.csir.co.za (146.64.241.229)
AU ntp.ise.canberra.edu.au (137.92.140.80)
AU ntp0.cs.mu.OZ.AU (128.250.36.2)
AU ntp1.cs.mu.OZ.AU (128.250.36.3)
BR ntp1.rnp.br (200.19.119.69)
CA clock.uregina.ca (142.3.100.2)
CA subitaneous.cpsc.ucalgary.ca (136.159.2.254)
CA tick.usask.ca (128.233.3.100)
CA tock.usask.ca (128.233.3.101)
CH ntp.metas.ch (193.5.216.14)
CH swisstime.ethz.ch (129.132.2.21)
CL ntp.dgf.uchile.cl (146.83.8.200)
CL ntp.shoa.cl (200.68.60.246)
CZ ntp.cesnet.cz (195.113.144.201)
DE ntp0.fau.de (131.188.3.220)
DE ntp1.fau.de (131.188.3.221)
DE ntp2.fau.de (131.188.3.222)
DE ntp3.fau.de (131.188.3.223)
DE ntps1-0.cs.tu-berlin.de (130.149.17.21)
DE ntps1-1.cs.tu-berlin.de (130.149.17.8)
DE ptbtime1.ptb.de (192.53.103.103)
DE ptbtime2.ptb.de (192.53.103.104)
DE rustime01.rus.uni-stuttgart.de (129.69.1.153)
DK Denmark GPS.FreeBSD.dk (212.242.86.186)
DK Denmark GPS.dix.dk (192.38.7.240)
FR canon.inria.fr (192.93.2.20)
FR chronos.cru.fr
FR ntp-p1.obspm.fr
FR ntp-sop.inria.fr (138.96.64.10)
FR ntp1.curie.fr
FR ntp2.curie.fr
FR ntp3.curie.fr
99v ntp1.ien.it (193.204.114.232)
99v ntp2.ien.it (193.204.114.233)
99v tempo.cstv.to.cnr.it (150.145.33.1)
JP clock.nc.fukuoka-u.ac.jp (133.100.9.2)
JP clock.tl.fukuoka-u.ac.jp (133.100.11.8)
MX cronos.cenam.mx
NL ntp0.nl.net (193.67.79.202)
NL ntp1.nl.net (193.79.237.14)
NL ntp2.nl.net (193.79.237.30)
NO time.service.uit.no
NZ clock1.canterbury.ac.nz (132.181.12.13)
PL ntp.certum.pl (217.153.69.35)
PL vega.cbk.poznan.pl (150.254.183.15)
SE ntp1.gbg.netnod.se (192.36.133.130)
SE ntp2.gbg.netnod.se (192.36.133.66)
SE ntp1.mmo.netnod.se (192.36.134.17)
SE ntp2.mmo.netnod.se (192.36.134.25)
SE ntp1.sp.se (62.119.40.98)
SE ntp2.sp.se (62.119.40.99)
SE ntp1.sth.netnod.se (192.36.144.22)
SE ntp2.sth.netnod.se (192.36.144.23)
SE time1.stupi.se (192.36.143.150)
SE time2.stupi.se (192.36.143.151)
SG jamtepat.singnet.com.sg (165.21.110.7)
SI goodtime.ijs.si (193.2.4.2)
UK chronos.csr.net 194.35.252.7 (CNAME ntp.csr.net)
UK ntp2.ja.net (193.63.94.26)
US AK ntp.alaska.edu (199.165.76.11) (CNAME ntp-ua.usno.navy.mil)
US CA clepsydra.dec.com (204.123.2.5)
Location: HP Western Research Laboratory, Palo Alto, CA
US CA clock.isc.org (192.5.5.250)
US CA clock.sgi.com (192.48.153.74)
US CA clock.via.net (209.81.9.7)
US CA gpstime.trimble.com 206.40.88.30
US CA montpelier.ilan.caltech.edu (131.215.254.2) CNAMES: montpelier.caltech.edu, ntp-caltech.usno.navy.mil
US CA nist1.aol-ca.truetime.com (207.200.81.113)
US CA nist1.datum.com (66.243.43.21)
US CA nist1-sj.glassey.com (207.126.98.204)
US CA ntp-cup.external.hp.com (192.6.38.127)
US CA ntp.nasa.gov (198.123.30.132)
US CA tick.gpsclock.com (206.203.0.15)
US CA tick.ucla.edu (164.67.62.194) CNAMEs: navobs1.ucla.edu, time.ucla.edu
US CA timekeeper.isi.edu (128.9.176.30)
US CA tock.gpsclock.com (206.223.0.14)
US CA usno.pa-x.dec.com (204.123.2.72) CNAME: navobs1.pa-x.dec.com
US CO navobs1.usnogps.navy.mil (204.34.198.40) CNAME: tick.usnogps.navy.mil
US CO navobs2.usnogps.navy.mil (204.34.198.41) CNAME: tock.usnogps.navy.mil
US CO time-a.nist.gov (129.6.15.28) New Access policy: Open only to existing users; other users please use time-b or time-c instead.
US CO time-a.timefreq.bldrdoc.gov (132.163.135.130, 132.163.4.101)
Location: NIST Boulder Laboratories, Boulder, Colorado
US CO time-b.timefreq.bldrdoc.gov (132.163.135.131, 132.163.4.102)
US CO time-c.timefreq.bldrdoc.gov (132.163.135.132, 132.163.4.103)
US CO time-d.timefreq.bldrdoc.gov (132.163.135.133, 132.163.4.104)
US CO time.nist.gov (192.43.244.18)
US CO utcnist.colorado.edu (128.138.140.44)
US DC ntp2.usno.navy.mil (192.5.41.209)
US DC tick.usno.navy.mil (192.5.41.40)
US DC tock.usno.navy.mil (192.5.41.41)
US DE mizbeaver.udel.edu (128.4.1.2)
US DE ntp1.connectiv.com (138.39.7.20)
US DE ntp1.nss.udel.edu (128.175.60.175)
US DE rackety.udel.edu (128.4.1.1)
US FL ntp-s1.cise.ufl.edu (128.227.205.3) (CNAME ntp-ufl.usno.navy.mil)
US GA navobs1.gatech.edu (130.207.244.240) CNAMES: tick.gatech.edu, ntp-gatech.usno.navy.mi
US GA time.twc.weather.com (216.133.140.77)
US HI tick.mhpcc.edu (164.122.7.123) (CNAME: ntp-mhpcc.usno.navy.mil)
US IL ntp0.mcs.anl.gov (140.221.8.88) (CNAME ntp-anl.usno.navy.mil)
US IL truechimer.cso.uiuc.edu (128.174.5.58)
US IN tick.cerias.purdue.edu(128.10.252.7) (alias darkcity.cerias.purdue.edu)
US IN tock.cerias.purdue.edu(128.10.252.6) (alias caspak.cerias.purdue.edu)
US MA bonehed.lcs.mit.edu (18.26.4.105)
US MA ntp.quidnet.com (140.239.15.7)
US MA tick.mit.edu (18.145.0.30) CNAME: navobs1.mit.edu
US MA timeserver.cs.umb.edu (158.121.104.4)
US MD time-b.nist.gov (129.6.15.29)
US MD umd1.umd.edu (128.8.10.1)
US ME ntp.colby.edu (137.146.210.250) (CNAME ntp-colby.usno.navy.mil)
US MO navobs1.wustl.edu (128.252.19.1) CNAME: tick.wustl.edu
US NC ncnoc.ncren.net (192.101.21.1)
US NC terrapin.csc.ncsu.edu 152.1.58.124
US NJ ntp0.jensenresearch.com (65.211.109.12)
US NY nist1-ny.glassey.com (208.184.49.9)
US OH lerc-dns.lerc.nasa.gov (128.156.1.43)
US OK now.okstate.edu (139.78.100.163) CNAME: ntp-okstate.usno.navy.mil
US PA gps1.otc.psu.edu (128.118.25.12)
US PA otc1.psu.edu (128.118.46.3)
US PA wwv.otc.psu.edu (128.118.46.3)
US TX tick.uh.edu (129.7.1.66) CNAME: time.uh.edu
US UT time.xmission.com (198.60.22.240)
US VA: nist1.aol-va.truetime.com (205.188.185.33)
US VA nist1-dc.glassey.com (216.200.93.8)
US WA bigben.cac.washington.edu 140.142.16.34 (CNAME ntp-wu.usno.navy.mil)
US WA time-nw.nist.gov (131.107.1.10)
US WI ben.cs.wisc.edu (128.105.201.11)
Discontinued Service
bitsy.mit.edu
chronos.univ-rennes1.fr
clock.cmc.ec.gc.ca
clock.llnl.gov
clock.osf.org
fuzzy.nta.no
ntp.cc.utexas.edu
ntp.marine.csiro.au
ntp.mel.nml.csiro.au
ntp.nml.csiro.au
ntp.per.nml.csiro.au
ntp.quidnet.com
ntp.syd.dms.csiro.au
ntp.tip.csiro.au
ntp.cs.mu.OZ.AU
ntpa2.kph.uni-mainz.de
ntps1-1.rz.Uni-Osnabrueck.DE
ntp0.sdd.hp.com
ntp0.ja.net
ntp1.sony.com
ntps1-0.uni-erlangen.de
ntps1-1.uni-erlangen.de
ntps1-2.uni-erlangen.de
time.ien.it
utcnist1.reston.mci.net
wave.mbari.org
wwvb.erg.sri.com
wwvb.isi.edu
wwwa2.kph.uni-mainz.de
y2k-test.timefreq.bldrdoc.gov
allison.radiks.net
bernina.ethz.ch
black-ice.cc.vt.edu
calvus.rzs-hm.si
chime.utoronto.ca
chime1.surfnet.nl
churchy.udel.edu
clock.tricity.wsu.edu
constellation.ecn.uoknor.edu
delphi.cs.ucla.edu
dominator.eecs.harvard.edu
eagle.tamu.edu
finch.cc.ukans.edu
fuzz.sura.net
gazette.bcm.tmc.edu
hmljhp.rzs-hm.si
kuhub.cc.ukans.edu
lassen.slc.ca.gov
libra.rice.edu
ntp.adelaide.edu.au
ntp.botbay.net
ntp.ctr.columbia.edu
ntp.landau.ac.ru
ntp.olivetti.com
ntp.pop-df.rnp.br
ntp.to.themasses.org
ntp.waikato.ac.nz
ntp1.mpis.net
ntp2.mpis.net
ntp1.ossi.com
ntp1.sura.net
ntp2.ossi.com
ntp2.sura.net
salmon.maths.tcd.ie
smart1.svi.org
tick.anice.net.ar
tick.koalas.com
ticktock.wang.com
time.deakin.edu.au
time.esec.com.au
time.software.net
tmc.edu
tock.anice.net.ar
truechimer.waikato.ac.nz
vtserf.cc.vt.edu
wuarchive.wustl.edu
www1.cmc.ec.gc.ca
www2.cmc.ec.gc.ca
xfiles-jr.esa.lanl.gov
xfiles.esa.lanl.gov
http://soft.xuezhishi.net/OS/FreeBSD/rmjq/2007-01-20/17182.html
