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Welcome to PublicNTP

PublicNTP provides unrestricted access to no-cost, highly-accurate time sources for the public good.

World

Servers

Miami, Florida

Continent: North America

Country: US

Live Date:

2016-07-30

Hostname:

stratum2-01.mia01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Dallas / Ft. Worth

Continent: North America

Country: US

Live Date:

2016-07-30

Hostname:

stratum2-01.dfw01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Guadalajara

Continent: North America

Country: Mexico

Live Date:

2016-07-30

Hostname:

stratum2-01.gdl01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Santiago

Continent: South America

Country: Chile

Live Date:

2016-07-30

Hostname:

stratum2-01.scl01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Hong Kong

Continent: Asia

Country: Hong Kong

Live Date:

2016-07-30

Hostname:

stratum2-01.hkg01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Bogota

Continent: South America

Country: Colombia

Live Date:

2017-11-01
2018-02-15

Hostname:

stratum2-01.bog01.publicntp.org
stratum2-01.bog02.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Johannesburg

Continent: Africa

Country: South Africa

Live Date:

2017-11-07

Hostname:

stratum2-01.jnb01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Tokyo

Continent: Asia

Country: Japan

Live Date:

2017-11-07

Hostname:

stratum2-01.hnd01.publicntp.org
stratum2-01.hnd02.publicntp.org
stratum2-02.hnd02.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

San Francisco, California

Continent: North America

Country: US

Live Date:

2016-07-31

Hostname:

stratum2-01.sfo01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Salt Lake City, Utah

Continent: North America

Country: US

Live Date:

2016-12-30

Hostname:

stratum1.slc01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Chicago, Illinois

Continent: North America

Country: US

Live Date:

2008-02-13

Hostname:

stratum2.ord2.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Ashburn, Virginia

Continent: North America

Country: US

Live Date:

2016-07-30

Hostname:

stratum2.iad01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Montreal, Québec

Continent: North America

Country: Canada

Live Date:

2016-12-20

Hostname:

stratum2.yul01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

São Paulo

Continent: South America

Country: Brazil

Live Date:

2016-08-03
2016-12-28
2018-02-10

Hostname:

stratum2.gru01.publicntp.org
stratum2-01.gru02.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Sao Paulo

Continent: South America

Country: Brazil

Live Date:

2018-02-15

Hostname:

stratum2-01.gru02.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Dublin

Continent: Europe

Country: Ireland

Live Date:

2016-07-31

Hostname:

stratum2.dub01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Frankfurt

Continent: Europe

Country: Germany

Live Date:

2016-07-31

Hostname:

stratum2.fra01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Mumbai

Continent: Asia

Country: India

Live Date:

2016-08-01

Hostname:

stratum2.bom01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Lagos

Continent: Africa

Country: Nigeria

Live Date:

2017-10-01

Hostname:

stratum2-01.los01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Bangalore

Continent: Asia

Country: India

Live Date:

2017-01-09

Hostname (IPv6):

stratum2-01.blr01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Singapore

Continent: Asia

Country: Singapore

Live Date:

2016-08-03
2017-02-26

Hostname:

stratum2.sin01.publicntp.org
stratum2-01.sin02.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Sydney

Continent: Oceania

Country: Australia

Live Date:

2016-07-31

Hostname:

stratum2-01.syd01.publicntp.org
stratum2-01.syd02.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Buenos Aires

Continent: South America

Country: Argentina

Live Date:

2018-02-15

Hostname:

stratum2-01.eze01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

Mexico City

Continent: North America

Country: Mexico

Live Date:

2018-02-23

Hostname:

stratum2-01.mex01.publicntp.org

Software:

NTP Reference Implementation,
Network Time Foundation

PublicNTP Experience

Global expansion and a facelift

Blog Image

When I first launched PublicNTP with a single NTP server in Chicago, Illinois, I had grand plans for rapid expansion, first across the US, to be quickly followed by exotic locations around the globe I’d always wanted to visit.