The table lists each server's name, IP address, and location, organized geographically within the US from North to South and then from East to West. Please note that while we make every effort to …

Instructions for using the NIST authenticated Network Time Protocol (NTP) server These instructions explain how to add symmetric-key authentication to the most common version of the NTP software.

Among the first six selections, there is no closer you are to the selected server, the more the time it takes for data to travel over the second) in the time setting.

Client software for NTP is built-in to numerous operating systems and Internet devices, and NTP servers around the world now receive many billions of timing requests per day [3].

Internet time servers use several standard timing protocols defined in a series of RFC (Request for Comments) documents. The three major timing protocols are the Time Protocol, the Daytime …

There is a pop-up list that offers you a choice of Apple-provided NTP Servers. If you wish to use an NTP Server other than Apple’s, you should type the Server Address in the box provided.

provides additional information on the Network Time Protocol (NTP), its variant, the Simple Network Time Protocol (SNTP), and other NTP servers that are publicly available around the world.

To investigate how well a nation’s official time can be distributed via NTP, this paper compares the accuracy and stability of four commercially-available NTP servers that are referenced to a 1 pps …

The server responds to each query with a packet in a special NTP format that is built on the udp/ip network protocol (Mills, 1991). The client software can also be configured to query several servers …

Internet Time Services and NTP, The Network Time Protocol Judah Levine Time and Frequency Division NIST Boulder