The pool.ntp.org project is a big virtual cluster of timeservers providing reliable, easy to use NTP service for millions of clients. The pool is being used by hundreds of millions of systems around the world.

NTP pool ... The NTP pool is a dynamic collection of networked computers that volunteer to provide highly accurate time via the Network Time Protocol to clients worldwide.

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In most cases it's best to use pool.ntp.org to find an NTP server (or 0.pool.ntp.org, 1.pool.ntp.org, etc if you need multiple server names). The system will try finding the closest available servers for you.

Sep 14, 2019 · The NTP Pool Project is a large virtual farm of servers that offers NTP service for anyone. The project consists of a DNS system that balances the load of millions of queries of time …

Dec 19, 2025 · By default, pfSense software attempts to synchronize its time using the ntp.org Network Time Protocol (NTP) server pool. This ensures an accurate date and time on the firewall, and will …

Sep 9, 2021 · If you have advanced timekeeping needs, you can reference the official NTP documentation, and also take a look at the NTP Pool Project, a global group of volunteers providing …

In most cases it's best to use pool.ntp.org to find an NTP server (or 0.pool.ntp.org, 1.pool.ntp.org, etc if you need multiple server names). The system will try finding the closest available servers for you.

The NTP Pool is generally very high quality, but it is a service run by volunteers in their spare time. Please talk to your equipment and service vendors about getting local and reliable service setup for …

Once added to the pool the server is constantly monitored for availability and precision. You can watch your server's performance using the web frontend or the management page.