Tokyo is 6 hours ahead of Moscow. Moscow uses Moscow Standard Time (MSK, UTC+3) while Tokyo uses Japan Standard Time (JST, UTC+9). When it's 12:00 PM in Moscow, it's 6:00 PM in Tokyo.
Neither city observes daylight saving time, so the 6-hour difference remains constant year-round.
Best calling time: 8:00 AM - 11:00 AM Moscow time. This corresponds to 2:00 PM - 5:00 PM in Tokyo, catching Japanese afternoon business hours.
Moscow and Tokyo are both major Asian/European capitals. Direct flights connect the cities in about 10 hours. Both have significant economic and diplomatic relations.