ieExplains: When do the clocks change and why must I still do this every year?

The clocks will fall back by one hour at 2amon October 26.
Thanks to Daylight Saving Time (DST), we are once again approaching the time of the year when the clocks change and we all try to work out whether this means we're about to lose or gain an hour of sleep.
While the European Union (EU) voted in 2019 to end the practice, EU institutions have not yet made the decision official, despite repeated calls for a final proposal on the matter by MEPs from various member states, including Ireland.