Moderator: Hawaii-based airlines & Hawai'i forums
Join Date: Mar 2003
Location: Ka ʻĀpala Nui, Nuioka
Programs: NEXUS/Global Entry, Delta, United, Hyatt, IHG, Marriott, and Hertz
Posts: 18,713
They are both in the Pacific Time Zone.
If you drive across Hoover Dam (a few miles southeast of Las Vegas) you will cross into the Mountain Time Zone.