By RNZ Daylight saving begins on Sunday, September 29, which will mean we lose an hour of sleep - but the days will be warmer and brighter. So when do the clocks switch over? Why do we observe daylight saving? And how do you check the time on your phone is accurate? Here’s everything you need to know. When does daylight saving start in New Zealand? Clocks will go forward one hour at 2am on Sunday, September 29.

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