Tokyo is 6 hours ahead of Doha. Doha uses Arabia Standard Time (AST, UTC+3) while Tokyo uses Japan Standard Time (JST, UTC+9). When it's 9:00 AM in Doha, it's 3:00 PM in Tokyo.
Neither city observes daylight saving time, so the 6-hour difference remains constant year-round.
Best calling time: 3:00 AM - 11:00 AM Doha time. This corresponds to 9:00 AM - 5:00 PM in Tokyo, covering Japanese business hours.
Doha and Tokyo are connected by direct Qatar Airways flights taking about 11 hours. Qatar has significant investments in Japanese companies, and Japan is a major LNG customer for Qatar.