Daylight saving adjustment ended for New Zealand Daylight Time (NZDT), for details check here. Daylight Saving Time used for Mountain Standard Time (MST), for details check here.
MST and NZDT Time Calculator
• New Zealand Time Offset: UTC/GMT +12
• Mountain Daylight Time Offset: UTC/GMT -6
» Mountain Standard Time Conversions
» New Zealand Daylight Time Conversions