Disable an automation when daylight saving time comes or goes

Configuration
2

Add this Template Condition to your automation and it will prevent it from executing its actions on the last sunday of March and the last sunday of October.

condition:
  - condition: template
    value_template: >
      {% set dst_changeover = now().month in [3,10] 
        and now().isoweekday() == 7
        and (now() + timedelta(days=7)).month != now().month %}
      {{ not dst_changeover }}

EDIT

Correction. October is 10.