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Facebook's NTP libraries
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NTP CircleCI GoDoc

Collection of Facebook's NTP libraries.


  • NTP protocol implementation
  • Chrony and ntpd control protocol implementations


Utility package for computing the hash value of the official leap-second.list document


CLI and library to perform various NTP-related tasks, including:

  • replacement for ntptime and ntpdate commands
  • human-readable diagnostics for typical problems with NTP based on data from chrony/ntpd
  • server stats and peer stats taken from chrony/ntpd with output in JSON

Quick Installation

go get


Simple NTP server implementation with hardware timestamps support

Quick Installation

go get


ntp is licensed under Apache 2.0 as found in the LICENSE file.

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