Mumbai is 2 hours and 30 minutes ahead of Riyadh. Riyadh uses Arabia Standard Time (AST, UTC+3) while Mumbai uses Indian Standard Time (IST, UTC+5:30). When it's 12:00 PM in Riyadh, it's 2:30 PM in Mumbai.
Neither Saudi Arabia nor India observes daylight saving time, so the 2.5-hour difference remains constant throughout the year.
Best calling time: 9:00 AM - 4:00 PM Riyadh time. This corresponds to 11:30 AM - 6:30 PM in Mumbai, providing good overlap for business hours.
Riyadh and Mumbai have strong economic connections. Saudi Arabia has a large Indian expat community, and India is a major trading partner. Direct flights connect the cities in about 4 hours.