chrony ☆
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Description:
Versatile implementation of the Network Time Protocol (NTP)
Type: Formula  |  Latest Version: 4.8@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Networking
Tags: ntp time-sync networking chrony clock
Install: brew install chrony
About:
Chrony is a versatile implementation of the Network Time Protocol (NTP) designed for high accuracy and stability. It excels in environments with intermittent network connectivity, making it ideal for desktops, virtual machines, and embedded systems. The tool provides robust time synchronization even over lossy networks.
Key Features:
  • High accuracy and stability
  • Fast synchronization
  • Support for intermittent networks
  • Security features including NTS
Use Cases:
  • Synchronizing system clocks on servers and workstations
  • Maintaining accurate time on virtual machines
  • Embedded systems with intermittent connectivity
Alternatives:
  • ntpd – Standard NTP daemon; chrony often synchronizes faster and handles intermittent connectivity better.
  • systemd-timesyncd – Lightweight client included with systemd; chrony offers higher precision and more features.
License: GPL-2.0-only
Dependencies: gnutls, nettle
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 14, 2025 3:24pm 0 VERSION_BUMP aed97485
Jan 8, 2025 1:10pm 0 VERSION_BUMP 635ae4bc
Nov 17, 2024 8:34pm 0 VERSION_BUMP 3df9a1a0
Oct 8, 2024 4:51pm 0 VERSION_BUMP 8b31d150
Oct 8, 2024 3:27pm 0 VERSION_BUMP b594966f
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