Transition to summertime to Germany — that needs to be known on March 26

Transition with winter on summertime 2023 will happen in the night of Saturday, March 25, on Sunday, March 26, 2023. In 2.00 nights on March 26 clock will be put at one o'clock forward — till 3.00 nights. It means that you sleep one hour less. Clock is put forward or back? There is a row mnemonic the technician which are urged to help people to remember better, properly to move arrows: in the summer the garden furniture is put before the house on a terrace therefore clock needs to be put forward. In the winter, on the contrary, garden furniture clean back in a cellar or a shed, and clock needs also to be put back. Or: in the summer...