the practice of advancing clocks to make better use of the longer daylight available during summer, so that darkness falls at a later clock time.[1][2] The typical implementation of DST is to set clocks forward by one hour in spring or late winter, and to set clocks back by one hour to standard time in the autumn (or fall in North American English, hence the mnemonic: "spring forward and fall back").

The fuck... I confused myself again...