Siderno to Seoul time converter
Seoul is 7 hours ahead of Siderno. When it is 9:00 AM in Siderno, it is 4:00 PM in Seoul.
1:35 AM in Siderno, Tuesday, October 20, 2026
Siderno to Seoul conversion table
Every hour of today in Siderno and the matching time in Seoul. Light rows are typical working hours (9:00–18:00).
| Siderno | Seoul |
|---|---|
| 12:00 AM | 7:00 AM |
| 1:00 AM | 8:00 AM |
| 2:00 AM | 9:00 AM |
| 3:00 AM | 10:00 AM |
| 4:00 AM | 11:00 AM |
| 5:00 AM | 12:00 PM |
| 6:00 AM | 1:00 PM |
| 7:00 AM | 2:00 PM |
| 8:00 AM | 3:00 PM |
| 9:00 AM | 4:00 PM |
| 10:00 AM | 5:00 PM |
| 11:00 AM | 6:00 PM |
| 12:00 PM | 7:00 PM |
| 1:00 PM | 8:00 PM |
| 2:00 PM | 9:00 PM |
| 3:00 PM | 10:00 PM |
| 4:00 PM | 11:00 PM |
| 5:00 PM | 12:00 AM+1 day |
| 6:00 PM | 1:00 AM+1 day |
| 7:00 PM | 2:00 AM+1 day |
| 8:00 PM | 3:00 AM+1 day |
| 9:00 PM | 4:00 AM+1 day |
| 10:00 PM | 5:00 AM+1 day |
| 11:00 PM | 6:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 11:00 AM in Siderno (4:00 PM – 6:00 PM in Seoul).
Daylight saving time and the difference
The difference changes during the year because Siderno and Seoul switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: +7h
- Oct 25, 2026 – Mar 28, 2027: +8h
- Mar 28, 2027 – Oct 20, 2027: +7h
Distance
Siderno and Seoul are 8,998 km (5,591 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Siderno and Seoul?
Seoul is 7 hours ahead of Siderno.
What time is it in Seoul when it is 9 AM in Siderno?
When it is 9:00 AM in Siderno, it is 4:00 PM in Seoul.
When is the best time to call Seoul from Siderno?
Both sides are at work from 9:00 AM – 11:00 AM in Siderno (4:00 PM – 6:00 PM in Seoul).
Does the time difference between Siderno and Seoul change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.