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South Korea does NOT observe Daylight Saving Time. Local clocks remain constant throughout the year on standard time, with no seasonal spring/fall 1-hour adjustments.
Optimal overlapping time windows to schedule remote team meetings, vendor synchronization, and client calls between major global economic regions and South Korea.
Timezone Twins: The following countries and territories share the exact same standard clock as South Korea:
The directory below details the official time zone designations, IANA database identifiers, real-time clocks, and standard UTC offsets active across South Korea.
Complete schedule of national holidays, bank closures, religious festivals, and observances. Switch between years (2024–2028) and filter by holiday category:
| Date | Holiday Name | Classification | Calendar Basis | Office Status |
|---|---|---|---|---|
| 2026-01-01 | New Year's Day | Public | gregorian | Closed 🔴 |
| 2026-02-11 | Seollal (Lunar New Year) | Public | lunar | Closed 🔴 |
| 2026-08-15 | National Liberation Day | Public | gregorian | Closed 🔴 |
| 2026-10-02 | Chuseok (Korean Thanksgiving) | Public | lunar | Closed 🔴 |
| 2026-10-09 | Hangul Day | Public | gregorian | Closed 🔴 |
| 2026-12-25 | Christmas Day | Public | gregorian | Closed 🔴 |
| 2026-05-05 | Children's Day | Public | gregorian | Closed 🔴 |
| 2026-05-24 | Buddha's Birthday | Public | lunar | Closed 🔴 |
| 2026-10-01 | Army Day | Observance | gregorian | Open 🟢 |
| 2026-11-09 | Navy Day | Observance | gregorian | Open 🟢 |
| 2026-10-20 | Air Force Day | Observance | gregorian | Open 🟢 |
| 2026-05-15 | Teachers' Day | Observance | gregorian | Open 🟢 |
| 2026-05-08 | Parents' Day | Observance | gregorian | Open 🟢 |
| 2026-07-17 | Constitution Day | Public | gregorian | Closed 🔴 |
| 2026-10-03 | National Foundation Day | Public | gregorian | Closed 🔴 |
| 2026-09-21 | World Peace Day | Observance | gregorian | Open 🟢 |
| 2026-10-09 | Sports Day | Public | gregorian | Closed 🔴 |
| 2026-06-06 | Memorial Day | Public | gregorian | Closed 🔴 |
| 2026-11-22 | Farmers Day | Observance | gregorian | Open 🟢 |
| 2026-11-24 | Fishermen's Day | Observance | gregorian | Open 🟢 |
| 2026-03-21 | Traffic Safety Day | Observance | gregorian | Open 🟢 |
| 2026-06-05 | Environment Day | Observance | gregorian | Open 🟢 |
| 2026-04-09 | Anti-Corruption Day | Observance | gregorian | Open 🟢 |
| 2026-11-09 | Fire Day | Observance | gregorian | Open 🟢 |
Physiological time difference and circadian adjustment expectations when traveling to South Korea:
Official format conventions and time standards recognized in South Korea:
| Preferred Date Format | YYYY-MM-DD |
|---|---|
| Standard Clock Format | 24-hour |
| First Day of the Week | Monday |
| 24-Hour Military Clock Used? | Yes |
South Korea has consistently used KST (UTC+9) since its standardization.
The current time in South Korea is based on Asia/Seoul with a UTC offset of UTC+09:00. Real-time clocks above are synchronized with high-precision atomic stratum-1 time servers.
No, South Korea does not observe Daylight Saving Time. Clocks remain on standard time all year.
Standard business hours in South Korea are typically 09:00 - 18:00, Monday through Friday.
Refer to the Remote Work Call Planner section above for region-specific recommended calling windows from the US, Europe, and Asia-Pacific.
The international telephone dialing code for South Korea is +82.