English English Wikipedia has an article on:time switchWikipedia Noun time switch (plural time switches) (electrical engineering) A switch activated automatically at a preset time. 1939 November, “Pertinent Paragraphs: Traffic Lights at Crossings on Manx Electric Railway”, in Railway Magazine, page 361:A time switch with astronomical adjustment switches the warning signs on at sunset. Alternative forms time-switch timeswitch Related terms timer See also time-switch (verbal form) References “time switch”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.Wikiwand - on Seamless Wikipedia browsing. On steroids.