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SwissFox
User level: Level 1 (4 points)

Siri watch face calendar on Apple Watch Series 9 displays in Japanese

The new Siri watch face displays my calendar in Japanese.


It’s just the contextual widget; opening the calendar shows everything in English. As I do not speak or read Japanese, this is an issue for me. It’s been like this since the update to wOS 27. Any suggestions for a fix?


(It’s a series 9 if that’s relevant.)

Posted on Sep 17, 2026 4:41 PM

2 replies

WheelieNick
User level: Level 9 (74,110 points)

Sep 18, 2026 12:40 AM in response to SwissFox

This is a known localization bug that occasionally crops up after major software updates (like watchOS 27), where the system's contextual widgets or Smart Stack force foreign language data (such as Japanese or Chinese) despite the device being set to English. 

To fix the Siri watch face calendar widget displaying in Japanese, try the following solutions in order:

1. Check iPhone Calendar Format Settings

Often, a hidden or reset background setting on your iPhone causes widgets to pull the wrong regional calendar layout.

  1. Open the Settings app on your iPhone.
  2. Navigate to General > Language & Region.
  3. Tap on Calendar.
  4. If it is set to Japanese, switch it back to Gregorian. Even if it already says Gregorian, toggle it to Japanese and back to Gregorian to force a reset. 


SwissFox Author
User level: Level 1 (4 points)

Sep 18, 2026 6:08 PM in response to WheelieNick

Thanks, I’ve given it a shot. Of course since then the widget has decided only to show me weather and sports, so I can’t confirm it worked yet. Thanks!

Originally posted at discussions.apple.com/thread/256359338