ゆう活 ゆうかつ Also written 夕活 Meanings Noun government-recommended lifestyle adjustments for the long daylight hours during summertime See also: ゆうやけ時間活動推進 (ゆうやけじかんかつどうすいしん). Kanji 活 active. Read as カツ. Jinuma: Japanese Dictionary · Word lists