This could get interesting.
Brexit could be about to totally mess up the UK’s time zones – Wired UK
In March 2019 the European Parliament approved a proposal that spelled the end of clock changes within the EU. From 2021, EU member states will have to choose whether to stick to summer or winter time for good, with no more springing forward or falling back.
London two hours behind Paris? Two different time zones each side of the border in Ireland? Not to worry, though, I’m sure the government has it all under control. Er …
Although the government has made it clear that it doesn’t want to follow the EU’s example, it hasn’t been exactly forthcoming on what will happen if when we fall out of step with the rest of the EU. In an effort to prod them into action, the House of Lords has released a report analysing what will happen if the UK opts to keep the clock change – with the potential for chaos on the Northern Ireland border and trade with Europe.
Miscellaneous Details 