Italy
Japan
Rome to Osaka Time Difference
Osaka is 7 hours ahead of Rome
Rome vs Osaka — At a Glance
Rome to Osaka — Hour-by-Hour
About Rome and Osaka
Rome (population: 2.8M) is known for the Colosseum, Vatican City, ancient Roman history, and Italian cuisine. Osaka (population: 2.7M) is known for street food capital of Japan, Osaka Castle, and the 2025 World Expo host.
Business Hours Overlap
Rome is a major tourism destination. Travel agents and hospitality businesses frequently coordinate bookings across the 7-hour time difference with Osaka.
Calling Between Cities
When calling Osaka (+81) from Rome (+39), be mindful of the 7-hour gap. The safest window is early morning in Rome (8–10 AM) to reach people during waking hours.
Currency
Rome uses EUR while Osaka uses JPY. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Rome primarily speaks Italian, while Osaka speaks Japanese. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Rome and Osaka visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Rome and Osaka?
Osaka, Japan is 7 hours ahead of Rome, Italy. Rome is in the Europe/Paris timezone (UTC+2) and Osaka is in the Asia/Tokyo timezone (UTC+9).
When it's noon in Rome, what time is it in Osaka?
When it's 12:00 PM (noon) in Rome, it's 7:00 PM in Osaka.
What is the best time to call Osaka from Rome?
The best time to call Osaka from Rome is during the overlapping business hours. When it's 9 AM in Rome, it's 4:00 PM in Osaka. Aim for late morning to early afternoon in Rome for the best chance of reaching someone during working hours.
What currency does Osaka use?
Osaka, Japan uses JPY. Rome uses EUR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Osaka?
The primary language in Osaka is Japanese. English is widely used for international business communication.
How do I dial Osaka from Rome?
To call Osaka from Rome, dial your international access code followed by +81 and the local number. Rome uses country code +39 and Osaka uses +81.