non-EU: UK
EU countries: Austria, Belgium, Croatia, Czech Republic, Germany, Denmark, Spain, France, Hungary, Italy, Luxembourg, Malta, The Netherlands, Poland, Slovakia, Slovenia, Sweden
Non-EU countries: Norway, Switzerland, Liechtenstein, Monaco, San Marino, Andorra, Vatican City (Holy See), Bosnia and Herzegovina, North Macedonia, Serbia
Cyprus, Estonia, Finland, Greece, Latvia, Lithuania, Bulgaria, Romania
Non-EU countries: Moldova, Ukraine
The European Union and its member states are still to decide on the clock change regime, following a proposal by the European Commission.
UK is no longer a EU member and has not yet announced any changes to its Daylight Saving Time (DST) timetable.