The Chatham Standard Time Zone is a geographic region that keeps time by adding twelve hours and forty-five minutes to Coordinated Universal Time (UTC) resulting in UTC+12:45.
The Chatham Standard Time Zone is used exclusively in the Chatham Islands, New Zealand, located in the South Pacific Ocean at 43°53′54″S, 176°31′44″W.
It is one of only two official time zones with a 45-minute increment from UTC. Nepal Time is the other time zone that keeps its offset at UTC+05:45.
Coordinates: 43°53′54″S 176°31′44″W / 43.89833°S 176.52889°W