Or, for those boring old manual clocks, you will have to put them forward an hour yourself. Alternatively, feel free to save time now and manually add an hour in your head every time you check the time, then after a few weeks get around to actually changing them, then spend a few weeks confused about whether you changed them or not and if you still need to add an hour and checking the time on your phone to make sure.
The days are the same length, it only changes how early and late the sun rises and sets.
No, that’s not how we do it in Australia. We run 23 hour days over the summer months, and after 6 months of that we’ve saved up a full week which we use to have a wild country-wide party.