A daylight saving time bug crashed the latest Apple Watch

Justin Sullivan/Getty Images
  • Australian Apple Watch users discovered a glitch over the weekend.
  • The Apple Watch couldn’t handle daylight saving time and would crash over and over again.
  • Daylight saving time is hard.

Despite its health, fitness, and notification features, at its core, the Apple Watch is a watch. It tells time.

Which is why the latest bug sounds bad: Apparently, one of the new watch faces for the Series 4, which came out last month, wasn’t able to handle daylight saving time in Australia, according to 9to5Mac.

Daylight saving time in the United States is still a few weeks away, but Australia moved its clocks forward one hour over the weekend, essentially creating a 23-hour day.

Apple watch series 4 crashApple

There’s a so-called “complication” or graphic for the new watch, that shows your activity on a 24-hour timeline. Apparently, it couldn’t handle shortening the timeline by one twenty-fourth, so some users with the complication on their watch found that it had entered a reboot loop and wouldn’t charge or restart.

One day later, and people’s watches seem to be working normally, according to 9to5Mac. But still, expect Apple to push a software update so this problem doesn’t affect people in other countries.

It’s not the first time Apple software has encountered issues with daylight saving time. The most famous incident, back in 2010, caused alarms to go off at the wrong time.

Another way to solve this problem is to get rid of daylight saving time entirely, as some scientists and ecologists argue for. Of course, the practice of moving time to maximise daylight still has its defenders.

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