Osaka to Atlanta Time Difference
Atlanta is 13 hours behind Osaka. When it's 10:34:03 PM in Osaka, it's 09:34:03 AM in Atlanta.
How Many Hours Behind Is Atlanta From Osaka?
Atlanta is 13 hours behind Osaka. So Osaka is 13 hours ahead of Atlanta looking the other way — the same gap, described from the other end.
In practice that means a working day in Osaka starts when it is already 8:00 PM the previous day in Atlanta. The gap is not fixed all year: it becomes 14 hours on Sunday, November 1, 2026, when Atlanta changes its clocks.
Best Time to Call Osaka and Atlanta
Standard 9-to-5 hours in Osaka and Atlanta never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 11:00 AM in Osaka, which is 6:00 PM to 10:00 PM in Atlanta.
both at work Osaka only Atlanta only neither — hours shown along the strip are Osaka local time.
Convert a Specific Time
Pick any date and time in Osaka to see the exact equivalent in Atlanta.
Common Times Converted
Osaka time on the left, Atlanta time on the right.
Osaka to Atlanta: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Osaka. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Osaka | Atlanta | Working hours |
|---|---|---|
| 12:00 AM | 11:00 AM prev day | Atlanta only |
| 1:00 AM | 12:00 PM prev day | Atlanta only |
| 2:00 AM | 1:00 PM prev day | Atlanta only |
| 3:00 AM | 2:00 PM prev day | Atlanta only |
| 4:00 AM | 3:00 PM prev day | Atlanta only |
| 5:00 AM | 4:00 PM prev day | Atlanta only |
| 6:00 AM | 5:00 PM prev day | — |
| 7:00 AM | 6:00 PM prev day | — |
| 8:00 AM | 7:00 PM prev day | — |
| 9:00 AM | 8:00 PM prev day | Osaka only |
| 10:00 AM | 9:00 PM prev day | Osaka only |
| 11:00 AM | 10:00 PM prev day | Osaka only |
| 12:00 PM | 11:00 PM prev day | Osaka only |
| 1:00 PM | 12:00 AM | Osaka only |
| 2:00 PM | 1:00 AM | Osaka only |
| 3:00 PM | 2:00 AM | Osaka only |
| 4:00 PM | 3:00 AM | Osaka only |
| 5:00 PM | 4:00 AM | — |
| 6:00 PM | 5:00 AM | — |
| 7:00 PM | 6:00 AM | — |
| 8:00 PM | 7:00 AM | — |
| 9:00 PM | 8:00 AM | — |
| 10:00 PM | 9:00 AM | Atlanta only |
| 11:00 PM | 10:00 AM | Atlanta only |
Understanding the Osaka – Atlanta Time Difference
Osaka runs on Asia/Tokyo, currently JST (UTC+9:00). Atlanta runs on America/New_York, currently EDT (UTC-4:00). The gap of 13 hours is simply the distance between those two offsets.
Atlanta observes Daylight Saving Time and Osaka does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when Atlanta adjusts its clocks and the difference becomes 14 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Japan · Daylight Saving Time in the United States.
Osaka today
Atlanta today
Frequently Asked Questions
What is the time difference between Osaka and Atlanta?
Atlanta is currently 13 hours behind Osaka. That gap becomes 14 hours on Sunday, November 1, 2026, when Atlanta changes its clocks.
How many hours behind is Atlanta from Osaka?
Atlanta is 13 hours behind Osaka. Looking at it the other way, Osaka is 13 hours ahead of Atlanta.
What time is it in Atlanta when it is 9:00 AM in Osaka?
When it is 9:00 AM in Osaka, it is 8:00 PM the previous day in Atlanta.
Is Atlanta ahead of or behind Osaka?
Atlanta is 13 hours behind Osaka. Osaka reaches each point in the day first, so Atlanta is still getting started while the Osaka working day is finishing.
What is the best time to call between Osaka and Atlanta?
Standard business hours in Osaka and Atlanta do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 7:00 AM to 11:00 AM in Osaka, which is 6:00 PM to 10:00 PM in Atlanta.
Does the time difference between Osaka and Atlanta change during the year?
Yes. Atlanta observes Daylight Saving Time and Osaka does not, so the gap between them shifts during the year. It changes to 14 hours on Sunday, November 1, 2026.
What time zones are Osaka and Atlanta in?
Osaka uses the Asia/Tokyo time zone, currently JST (UTC+9:00). Atlanta uses America/New_York, currently EDT (UTC-4:00).