NIST Internet Time Servers

Google Public NTP [AS15169]: · public Amazon Time Sync Service [AS16509, AS14618, AS399991]: · Cloudflare NTP [AS13335]: · Facebook NTP [AS32934]: · Microsoft NTP ...

This web-based collaboration area provides lists of Network Time Protocol (NTP) public time servers. NTP users looking for information about installing, ... Topic list for Servers Web · NTP Pool Time Servers · Stratum One Time Servers

The table below lists the time servers used by the NIST Internet Time Service (ITS). The table lists each server's name, IP address, and location.

Public NTP server List for time synchronisation of servers. A list of public NTP servers is maintained at http://support.ntp.org/bin/view/Servers/WebHome .

NTP servers can be chosen out of several NTP server pools. The pools are sorted into geographical zones, like this you can pick a NTP server which is ...

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 pool.ntp.org project is a big virtual cluster of timeservers providing reliable, easy to use NTP service for millions of clients.

關於設定的部份，unix-like 系統的校時工具如ntpdate, ntpd 或systemd 的timesyncd 都可以設定一串NTP server 清單，遇到服務有障礙時可依序向不同的伺服器 ...

[--computername] /SETSNTP[:ntp server list]. Windows XP也提供ntp client程式，可以讓您的電腦自動與網路ntp server對時，打開桌面右下角的小時鐘的內容: 可以選擇ntp伺服 ...

我們使用七個原子鐘所產生的國家標準頻率，經過時間碼產生器產生時間標準信號，再輸入原級（primary NTP server），產生網路上可使用的時間信號（請見RFC 1305），與國家標準時刻之 ...