United States — us.pool.ntp.org

To use this specific pool zone, add the following to your ntp.conf file:

	   server 0.us.pool.ntp.org
	   server 1.us.pool.ntp.org
	   server 2.us.pool.ntp.org
	   server 3.us.pool.ntp.org

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. If you distribute software or equipment that uses NTP, please see our information for vendors.

IPv4 There are 650 active servers in this zone. 656 (-6) active 1 day ago 645 (+5) active 7 days ago 648 (+2) active 14 days ago 641 (+9) active 60 days ago 607 (+43) active 180 days ago 584 (+66) active 1 year ago 552 (+98) active 3 years ago 557 (+93) active 6 years ago

IPv6 There are 396 active servers in this zone. 397 (-1) active 1 day ago 395 (+1) active 7 days ago 389 (+7) active 14 days ago 385 (+11) active 60 days ago 350 (+46) active 180 days ago 343 (+53) active 1 year ago 329 (+67) active 3 years ago 243 (+153) active 6 years ago

See all zones in North America.