• SSH into the switch
  • Login
  • Type en
  • Re-enter your password
  • Type configure and press Enter
  • Paste "clock timezone -6 minutes 0 zone cst

Changing your time zone to -7 and mst for Moutain Standard Time, -5 and est for Eastern Standard time, etc.

cSt is Central Standard Time, cDt is Central Daylight Time.  Standard Time is basically fall/winter Daylight Time is Basically spring/summer.