Time difference
Osaka to Seoul Time Difference
Seoul and Osaka share the same time zone — when it's 12:00 PM in Osaka, it's also 12:00 PM in Seoul. (Osaka (Asia/Tokyo, JST); Seoul (Asia/Seoul, KST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Seoul and Osaka are in the same time zone, so there is no offset between them. The best window for a call is 9 AM–5 PM in Osaka, which is 9 AM–5 PM in Seoul — an 8-hour overlap inside 9 AM–5 PM on both sides. Osaka and Seoul change their clocks together (or don't change at all), so the time difference between them stays the same all year.
- When it's 9:00 AM in Osaka, it's 9:00 AM in Seoul.
- When it's 9:00 AM in Seoul, it's 9:00 AM in Osaka.
Seoul is currently in the same time zone as Osaka.
Interactive converter
12:00PM
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Best times to meet
The 9 AM – 5 PM business windows in Osaka and Seoul overlap for 8 hours. 9 AM–5 PM in Osaka is 9 AM–5 PM in Seoul. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Osaka | Seoul |
|---|---|
| 12 AM | 12:00 AM |
| 1 AM | 1:00 AM |
| 2 AM | 2:00 AM |
| 3 AM | 3:00 AM |
| 4 AM | 4:00 AM |
| 5 AM | 5:00 AM |
| 6 AM | 6:00 AM |
| 7 AM | 7:00 AM |
| 8 AM | 8:00 AM |
| 9 AM | 9:00 AM |
| 10 AM | 10:00 AM |
| 11 AM | 11:00 AM |
| 12 PM | 12:00 PM |
| 1 PM | 1:00 PM |
| 2 PM | 2:00 PM |
| 3 PM | 3:00 PM |
| 4 PM | 4:00 PM |
| 5 PM | 5:00 PM |
| 6 PM | 6:00 PM |
| 7 PM | 7:00 PM |
| 8 PM | 8:00 PM |
| 9 PM | 9:00 PM |
| 10 PM | 10:00 PM |
| 11 PM | 11:00 PM |
Daylight saving
The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
- Osaka does not observe daylight saving time.
- Seoul does not observe daylight saving time.
Frequently asked questions
- Is Seoul ahead of or behind Osaka?
- Seoul is neither ahead of nor behind Osaka — both cities share the same time zone.
- Are Seoul and Osaka in the same time zone?
- Seoul and Osaka share the same time zone.
- What time is 9 AM in Osaka in Seoul?
- 9:00 AM in Osaka is 9:00 AM in Seoul.
- What time is noon in Osaka in Seoul?
- 12:00 PM in Osaka is 12:00 PM in Seoul.
- What time is 5 PM in Osaka in Seoul?
- 5:00 PM in Osaka is 5:00 PM in Seoul. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Osaka in Seoul?
- 3:00 PM in Osaka is 3:00 PM in Seoul.
- Is Osaka currently observing daylight saving time?
- Osaka does not observe daylight saving time — its UTC offset stays the same all year.
- Is Seoul currently observing daylight saving time?
- Seoul does not observe daylight saving time — its UTC offset stays the same all year.
- Do Osaka and Seoul observe daylight saving?
- The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
- When is the best time to call Seoul from Osaka?
- Aim for 9 AM–5 PM in Osaka, which is 9 AM–5 PM in Seoul.
- When is the best time to call Osaka from Seoul?
- Aim for 9 AM–5 PM in Seoul, which is 9 AM–5 PM in Osaka.
- Osaka (JST) to Seoul (KST) — how do I convert quickly?
- No math needed — both cities are in the same time zone. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- New York to Osaka
- London to Osaka
- Osaka to Tokyo
- Dubai to Osaka
- Osaka to Singapore
- Los Angeles to Osaka
- Osaka to Sydney
- Osaka to Paris
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