There is no time difference between Chennai and Hyderabad. Both cities use India Standard Time (IST, UTC+5:30). When it's 12:00 PM in Chennai, it's also 12:00 PM in Hyderabad.
India uses a single timezone across the entire country, so all major Indian cities are synchronized.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 6:00 PM) without any time conversion needed.
Chennai and Hyderabad are neighboring South Indian cities, both major IT and technology hubs. Chennai is known for automotive and manufacturing, while Hyderabad is famous for its IT corridor called HITEC City. Flights between them take about 1 hour.