Live Synchronized Time Difference
SeoultoSão PauloTime Difference
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Seoul
South Korea (GMT+9)00:10:22UTC+9:00
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São Paulo
Brazil (GMT-3)12:10:22UTC-3:00
Direct Distance18,342 km (11,397 miles)
Estimated Flight Time~22.1 hours
Business Overlap0 overlapping hours (9am–5pm)
Feasible Shoulder Hours Window
Recommended calling window between Seoul and São Paulo
Off-Peak Calling Window
Seoul Time
7:00 AM – 9:00 PM
São Paulo Time
7:00 PM – 9:00 AM
There are no overlapping 9-to-5 working hours between Seoul and São Paulo. The optimal compromise window falls during morning/evening shoulder periods (7:00 AM – 9:00 PM) when participants in both locations are awake.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Seoul and São Paulo.
Work (9am-5pm)ShoulderSleep / Off
| Seoul Time (South Korea) | São Paulo Time (Brazil) | Status & Recommendation |
|---|---|---|
| 00:00AM | 12:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 13:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 14:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 15:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 16:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 17:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 07:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 08:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 09:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 10:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 11:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 12:00PM | 00:00AM | ⚪ Outside Work Hours |
| 13:00PM | 01:00AM | ⚪ Outside Work Hours |
| 14:00PM | 02:00AM | ⚪ Outside Work Hours |
| 15:00PM | 03:00AM | ⚪ Outside Work Hours |
| 16:00PM | 04:00AM | ⚪ Outside Work Hours |
| 17:00PM | 05:00AM | ⚪ Outside Work Hours |
| 18:00PM | 06:00AM | ⚪ Outside Work Hours |
| 19:00PM | 07:00AM | ⚪ Outside Work Hours |
| 20:00PM | 08:00AM | ⚪ Outside Work Hours |
| 21:00PM | 09:00AM | ⚪ Outside Work Hours |
| 22:00PM | 10:00AM | ⚪ Outside Work Hours |
| 23:00PM | 11:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Seoul and São Paulo?
São Paulo is 12 hours behind Seoul.
What is the best time to schedule a cross-border meeting between Seoul and São Paulo?
Because of the wide timezone separation, a compromise meeting window during early morning in one location and evening in the other is recommended.
Does daylight saving time (DST) affect the time difference between Seoul and São Paulo?
Yes. If either South Korea or Brazil observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.