https://github.com/facebook/time

Meta's Time libraries
https://github.com/facebook/time

Last synced: 11 months ago
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Meta's Time libraries

• Host: GitHub
• URL: https://github.com/facebook/time
• Owner: facebook
• License: apache-2.0
• Created: 2020-04-20T11:29:32.000Z (almost 6 years ago)
• Default Branch: main
• Last Pushed: 2025-04-23T16:56:49.000Z (11 months ago)
• Last Synced: 2025-04-24T08:52:50.960Z (11 months ago)
• Language: Go
• Homepage:
• Size: 1.96 MB
• Stars: 617
• Watchers: 22
• Forks: 77
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md
  • Codeowners: CODEOWNERS

Awesome Lists containing this project

• awesome-repositories - facebook/time - Meta's Time libraries (Go)

README

          
# Time

[![lint](https://github.com/facebook/time/actions/workflows/lint.yml/badge.svg)](https://github.com/facebook/time/actions/workflows/lint.yml)

[![test](https://github.com/facebook/time/actions/workflows/test.yml/badge.svg)](https://github.com/facebook/time/actions/workflows/test.yml)

[![codecov](https://codecov.io/gh/facebook/time/branch/main/graph/badge.svg?token=QC44PEpHRi)](https://codecov.io/gh/facebook/time)

[![Go Report Card](https://goreportcard.com/badge/github.com/facebook/time)](https://goreportcard.com/report/github.com/facebook/time)

![GitHub go.mod Go version](https://img.shields.io/github/go-mod/go-version/facebook/time)

[![GoDoc](https://pkg.go.dev/badge/github.com/facebook/time?status.svg)](https://pkg.go.dev/github.com/facebook/time?tab=doc)

[![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)

# Contents

- [Documentation](#Documentation)

- [License](#License)

## Documentation

Collection of Meta's Time Libraries such as NTP and PTP

### cmd

All executables provided by this repo.

### NTP

NTP-specific libraries, including protocol implementation.

### PTP

PTP-specific libraries, including protocol implementation.

### Leaphash

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

### leapsectz

Utility package for obtaining leap second information from the system timezone database

### PHC

Library to work with PTP Hardware Clock (PHC).

### Timestamp

Library to work with NIC hardware/software timestamps.

### oscillatord

Implementation of monitoring protocol used by Orolia [oscillatord](https://github.com/Orolia2s/oscillatord).

### Calnex

Command line tool and library for a Calnex Sentinel device.

### fbclock

Client C library and Go daemon to provide TrueTime API based on PTP time.

### servo

Pi servo library

### clock

Wrapper around CLOCK_ADJTIME syscall

# License

time is licensed under Apache 2.0 as found in the [LICENSE file](LICENSE).