[kjakm]

>> And then you have the UK problem. Having variable time offsets between EU and UK would add yet another layer of disruption on top of Brexit.

It's worse than just EU/UK offset. You would have Northern Ireland and the Republic of Ireland in different timezones.

[Macha]

Portugal and Spain manage it, but it would be extremely contentius among around half of the NI community.

[andrepd]

Issues with the NI/IE border are always delicate, due to obvious reasons in the recent past. Let's say Portugal and Spain's quarrels are much much farther in the past!