Пакет ntpdate: Информация

The Network Time Protocol (NTP) is used to synchronize the time
of a computer client or server to another server or reference time
source, such as a radio or satellite receiver or modem. It provides
client accuracies typically within a millisecond on LANs and up to
a few tens of milliseconds on WANs.

This package contains ntpdate program for retrieving the date and time
from remote machines via a network.