Japan
Italy
Osaka to Rome Time Difference
Rome is 7 hours behind Osaka
Osaka vs Rome — At a Glance
Osaka to Rome — Hour-by-Hour
About Osaka and Rome
Osaka (population: 2.7M) is known for street food capital of Japan, Osaka Castle, and the 2025 World Expo host. Rome (population: 2.8M) is known for the Colosseum, Vatican City, ancient Roman history, and Italian cuisine.
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 Rome (+39) from Osaka (+81), be mindful of the 7-hour gap. The safest window is late afternoon in Osaka (4–6 PM) to reach people during waking hours.
Currency
Osaka uses JPY while Rome uses EUR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Osaka primarily speaks Japanese, while Rome speaks Italian. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Osaka and Rome visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Osaka and Rome?
Rome, Italy is 7 hours behind Osaka, Japan. Osaka is in the Asia/Tokyo timezone (UTC+9) and Rome is in the Europe/Paris timezone (UTC+2).
When it's noon in Osaka, what time is it in Rome?
When it's 12:00 PM (noon) in Osaka, it's 5:00 AM in Rome.
What is the best time to call Rome from Osaka?
The best time to call Rome from Osaka is during the overlapping business hours. When it's 9 AM in Osaka, it's 2:00 AM in Rome. Aim for late morning to early afternoon in Osaka for the best chance of reaching someone during working hours.
What currency does Rome use?
Rome, Italy uses EUR. Osaka uses JPY. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Rome?
The primary language in Rome is Italian. English is widely used for international business communication.
How do I dial Rome from Osaka?
To call Rome from Osaka, dial your international access code followed by +39 and the local number. Osaka uses country code +81 and Rome uses +39.
