1975-1998, 1980-present (Japan)
Still used in Japan.
1998-April 2016, 1998-January 2016 (Asia)
Still used as a secondary logo.
April 2016-present, January 2016-present (Asia)
In September 2015, Circle K launched its new logo in the United States, and its slogan was changed from "Simplify Your Day" to "Take It Easy" In April 2016. It is also used in Asia since January 2016.