Budapest is 1 hour behind Riyadh
Best overlap: 9:00 AM to 6:00 PM in Riyadh is 8:00 AM to 5:00 PM in Budapest.
Target 9:00 AM to 6:00 PM in Riyadh, which lands at 8:00 AM to 5:00 PM for the Budapest side. That's a roomy 9 hours of common time each day, so finding a slot that suits everyone is rarely a problem. Seasonal note: Budapest uses daylight saving and Riyadh doesn't, so double-check the times in your own months — they can move by an hour.