Quito and Mexico City are on the same time. Quito uses Ecuador Time (ECT, UTC-5) and Mexico City uses Central Standard Time (CST, UTC-6). When it's 12:00 PM in Mexico City, it's 12:00 PM in Quito during most of the year.
Neither Ecuador nor Mexico (for Mexico City) currently observes daylight saving time, keeping them synchronized year-round.
Any time works! Since both cities share the same time, you can call during normal business hours (9:00 AM - 6:00 PM) without any conversion needed.
Both Quito and Mexico City are high-altitude capitals with rich indigenous and colonial histories. Quito sits at 2,850 meters while Mexico City is at 2,240 meters above sea level.