Tokyo is 15 hours ahead of Mexico City. Mexico City uses Central Standard Time (CST, UTC-6) while Tokyo uses Japan Standard Time (JST, UTC+9). When it's 6:00 PM in Mexico City, it's 9:00 AM the next day in Tokyo.
Neither city currently observes daylight saving time, so the 15-hour difference remains constant year-round.
Best calling time: 6:00 PM - 9:00 PM Mexico City time. This corresponds to 9:00 AM - 12:00 PM in Tokyo, catching Japanese morning business hours.
Japan is a major investor in Mexico's automotive and manufacturing sectors. There are significant Japanese business communities in Mexico. Flights typically connect through the US.