exact-time.eu

ntp1.npl.co.uk

NPL (National Physical Laboratory), Teddington, United Kingdom. National time institute.

UK national time scale UTC(NPL).

Status now

Reachable

Stratum
1, reference MBGh
Round trip
14.8 ms
Offset
-0.02 ms
Its own uncertainty
0.02 ms
Availability, 24 h
100%
NTS (secure NTP)
No

Measured from our server in Frankfurt, Germany, 27 Oct, 11:33 UTC.

Test this server now

Use this server

Add it together with at least three other servers from different operators.

chrony
server ntp1.npl.co.uk iburst
ntpd
server ntp1.npl.co.uk iburst
systemd-timesyncd
NTP=ntp1.npl.co.uk
Windows
w32tm /config /manualpeerlist:"ntp1.npl.co.uk,0x8" /syncfromflags:manual /update

Last 30 days

Loading the history from our measurement server…

Availability per day
Round trip from Frankfurt, Germany, ms
Offset from our reference clock, ms

Each point is one check every 15 minutes, the best of three quick measurements. Offsets of a few milliseconds usually come from differences between the outward and return network path, not from the server’s clock. New servers build up their history over the first days.

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