Offset
There is no time difference between Sapporo and Seoul.
Sapporo (JST) is currently the same time as Seoul (KST).
JST: UTC+9
KST: UTC+9
Neither Sapporo nor Seoul is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–5 PM in Sapporo (9 AM–5 PM in Seoul).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Sapporo (1:00 PM Seoul).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Japan
- New Year's DayThu, Jan 1
- Coming of Age DayMon, Jan 12
- Foundation DayWed, Feb 11
- The Emperor's BirthdayMon, Feb 23
- Vernal Equinox DayFri, Mar 20
- Shōwa DayWed, Apr 29
- Constitution Memorial DayWed, May 6
- Greenery DayMon, May 4
- Children's DayTue, May 5
- Marine DayMon, Jul 20
- Mountain DayTue, Aug 11
- Respect for the Aged DayMon, Sep 21
- Autumnal Equinox DayWed, Sep 23
- Sports DayMon, Oct 12
- Culture DayTue, Nov 3
- Labour Thanksgiving DayMon, Nov 23
South Korea
- New Year's DayThu, Jan 1
- Lunar New YearMon, Feb 16
- Lunar New YearTue, Feb 17
- Lunar New YearWed, Feb 18
- Independence Movement DayMon, Mar 2
- Labour DayFri, May 1
- Children's DayTue, May 5
- Buddha's BirthdayMon, May 25
- Local Election DayWed, Jun 3
- Memorial DaySat, Jun 6
- Constitution DayFri, Jul 17
- Liberation DayMon, Aug 17
- ChuseokThu, Sep 24
- ChuseokFri, Sep 25
- ChuseokSat, Sep 26
- National Foundation DayMon, Oct 5
- Hangul DayFri, Oct 9
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Sapporo | Seoul | Day |
|---|---|---|
| 12:00 am | 12:00 am | Same day |
| 1:00 am | 1:00 am | Same day |
| 2:00 am | 2:00 am | Same day |
| 3:00 am | 3:00 am | Same day |
| 4:00 am | 4:00 am | Same day |
| 5:00 am | 5:00 am | Same day |
| 6:00 am | 6:00 am | Same day |
| 7:00 am | 7:00 am | Same day |
| 8:00 am | 8:00 am | Same day |
| 9:00 am | 9:00 am | Same day |
| 10:00 am | 10:00 am | Same day |
| 11:00 am | 11:00 am | Same day |
| 12:00 pm | 12:00 pm | Same day |
| 1:00 pm | 1:00 pm | Same day |
| 2:00 pm | 2:00 pm | Same day |
| 3:00 pm | 3:00 pm | Same day |
| 4:00 pm | 4:00 pm | Same day |
| 5:00 pm | 5:00 pm | Same day |
| 6:00 pm | 6:00 pm | Same day |
| 7:00 pm | 7:00 pm | Same day |
| 8:00 pm | 8:00 pm | Same day |
| 9:00 pm | 9:00 pm | Same day |
| 10:00 pm | 10:00 pm | Same day |
| 11:00 pm | 11:00 pm | Same day |
Daylight saving time
Neither Sapporo nor Seoul observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 3:57 AM
- Sunset
- 7:12 PM
- Day length
- 15h 16m
- Sunrise
- 5:12 AM
- Sunset
- 7:52 PM
- Day length
- 14h 41m
Daylight overlap: 14h 1m — 5:12 AM–7:12 PM in Sapporo (5:12 AM–7:12 PM in Seoul). Both locations are in daylight during this window.
Cities in these zones
Other cities in Japan Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Airports in Korea Standard Time
- GMP
- ICN
- PUS
- TAE
- CJJ
- KWJ
- MWX
Related conversions
Common conversions
- What is 9:00 am Sapporo in Seoul?
- 9:00 am Sapporo is 9:00 am Seoul.
- What is 12:00 pm Sapporo in Seoul?
- 12:00 pm Sapporo is 12:00 pm Seoul.
- What is 12:30 pm Sapporo in Seoul?
- 12:30 pm Sapporo is 12:30 pm Seoul.
- What is 2:00 pm Sapporo in Seoul?
- 2:00 pm Sapporo is 2:00 pm Seoul.
- What is 5:00 pm Sapporo in Seoul?
- 5:00 pm Sapporo is 5:00 pm Seoul.
- What is 11:30 pm Sapporo in Seoul?
- 11:30 pm Sapporo is 11:30 pm Seoul.