App: WorldClock-M
Developer: Tsutomu Murata
Genres: Lifestyle

This is a world clock App with following features.
(1) Positioning clocks by dragging.
(2) And assigning time zone by the position.
(3) Day and night expression on the map image.
(4) Selectable sizes and transparency to each clock.
(5) Adjustable for summer time.
(6) 4K resolution of map.

Release notes:
(1) Re-programed for behavior of MacOS Catalina.
(2) Map can be movable horizontal.
(3) Some UI operations and informations are extended.