Network time-related software

standard protocol for synchronizing time across devices

system for identifying instants in time; the number of seconds that have elapsed since the UTC midnight before 1 January 1970, ignoring leap seconds

systemd is a software suite for system and service management on Linux built to unify service configuration and behavior across Linux distributions. Its main component is an init system used to bootstrap user space and manage user processes. It also provides various daemons and utilities, including device management, login management, network connection management, and event logging. The name systemd adheres to the Unix convention of naming daemons by appending the letter d, and also plays on the French phrase Système D (a person's ability to quickly adapt and improvise in the face of problems

network time synchronization protocol

OpenNTPD (also known as OpenBSD NTP Daemon) is a Unix daemon implementing the Network Time Protocol to synchronize the local clock of a computer system with remote NTP servers. It is also able to act as an NTP server to NTP-compatible clients.

server that reads actual time information and distributes it

primitive Internet clock time protocol

computer text protocol for viewing clock time

thumb|upright=1.5|The ntpq utility program is a part of ntpd The Network Time Protocol daemon (ntpd) is an operating system program that maintains the system time in synchronization with time servers using the Network Time Protocol (NTP).

dynamic collection of networked computers providing time synchronization