I watch does not change dst but my iPhone did

Check to make sure the Time Zone on your phone is set to your location. Settings>General>Date & Time. If not toggle off Set Automatically and adjust manually, then switch back to Set Automatically.

Corrected it for me. Good luck.

Hi

With your watch connected to your iPhone via Bluetooth, restarting your Apple Watch may resolve the issue:

- On your watch: press and hold the side button until you see the Power Off slider; drag the slider to turn off; then press and hold the side button until you see the Apple logo.

Toggle off then toggle on action works. Thanks.