Definitive contradiction on a UK government web site:

https://www.gov.uk/when-do-the-clocks-change

In the UK the clocks go forward 1 hour at 1am on the last Sunday in March, and back 1 hour at 2am on the last Sunday in October.

On Wed, 1 Oct 2025 at 03:15, Saras Sing via tz <tz@iana.org> wrote:

Hello

The United Kingdom British Summer Time ends at every last Sunday of November 

Thank youÂ