KST to Accra
-9hKST
KSTSOURCEAccra
GMTGreen rows indicate typical business hours (9 AM - 5 PM)
KST and GMT on the World Map
The map below highlights the KST (Korea Standard Time) and GMT (Greenwich Mean Time) timezone regions across the globe.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
Understanding the -9h Gap: KST vs Accra
KST runs on Korea Standard Time (KST) at UTC+09:00. Accra runs on Greenwich Mean Time (GMT) at UTC+00:00. That puts KST 9 hours behind Accra — a difference of -9h at the current offsets.
In practice, when it is 9:00 AM in KST it is 12:00 AM in Accra. Midnight in KST is 3:00 PM in Accra. Neither zone observes daylight saving time, so the offset between them stays constant all year.
KST to Accra time conversion table
| KST (KST) | Accra (GMT) | Day |
|---|---|---|
| 12:00 AM | 3:00 PM | previous day |
| 6:00 AM | 9:00 PM | previous day |
| 7:00 AM | 10:00 PM | previous day |
| 8:00 AM | 11:00 PM | previous day |
| 9:00 AM | 12:00 AM | same day |
| 12:00 PM | 3:00 AM | same day |
| 3:00 PM | 6:00 AM | same day |
| 5:00 PM | 8:00 AM | same day |
| 6:00 PM | 9:00 AM | same day |
| 9:00 PM | 12:00 PM | same day |
Why people convert KST to Accra time
- Scheduling a call from KST to Accra: a 10:00 AM start in KST lands at 1:00 AM in Accra, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -9h gap: KST and Accra have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Accra is 12:00 AM in KST.
- Booking travel or deliveries: tracking Accra local time against KST keeps pickup windows and arrival estimates honest across the -9h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM KST" is unambiguous; "3 PM" across a -9h gap is not.
- With a -9h gap there is no shared 9-to-5 window, so alternate the early start: one week KST takes the early slot, the next week Accra does.
About KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
Best time to call between KST and Accra
With a -9h offset there is no overlap inside a normal 9 AM – 5 PM day. Accra opens at 9:00 AM GMT, which is 12:00 AM in KST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
KST and Accra have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.
KST is 9 hours behind Accra (KST UTC+09:00 → GMT UTC+00:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between KST and Accra?
KST (KST, UTC+09:00) is 9 hours behind Accra (GMT, UTC+00:00). The gap is currently -9h.
How do I convert KST time to Accra time?
Add -9h to KST local time. For example, 9:00 AM in KST is 12:00 AM in Accra.
What time is it in Accra right now?
Accra uses GMT at UTC+00:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -9h offset from KST.
What is the best time to call Accra from KST?
There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in KST, which is 4:00 AM in Accra.
Which is behind, KST or Accra?
KST is 9 hours behind Accra. When it is 12:00 PM in KST it is 3:00 AM in Accra.
Do KST and Accra use different time zones?
KST uses KST at UTC+09:00, while Accra (Ghana) uses GMT at UTC+00:00. The IANA identifiers are Asia/Seoul and Africa/Accra.
Does daylight saving time affect the KST–Accra difference?
Neither zone observes daylight saving time, so the -9h offset between KST and Accra is fixed all year.
Which other cities share KST's time zone?
KST also covers Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
Which countries use KST, KST's zone?
KST is used in South Korea, North Korea.
Is there a day difference between KST and Accra?
Not normally. The -9h gap only pushes the date over the previous day.
What is the time difference between KST and Accra?
Accra is -9h from KST.
What timezone is KST in?
KST operates on its local timezone.
What timezone is Accra in?
Accra operates on its local timezone.
Which countries use KST (Korea Standard Time)?
KST is used in South Korea, North Korea.
Does KST observe daylight saving time?
No, KST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about KST?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
Which cities are in the GMT timezone?
Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.
What is the UTC offset for GMT?
Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.
What should I know about the GMT timezone?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
When is it midnight in KST, what time is it in Accra?
When it is 12:00 AM (midnight) in KST (KST), it is -9h later in Accra (GMT).
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