Configuring timezone and NTP on a Cisco MDS switch - 50mu - about storage
NTP Configuration on Cisco Devices - ICTShore.com
Python3 Network Programming – Deploying base NTP / Logging across entire network, best practices, and the raw script at the very end of the post! – The DEVNET GRIND!
How to Configure NTP in Cisco Router
How to configure Cisco Routers and Switches to synchronize time using NTP through CCP