Tokyo to Accra
-9hTokyo
JSTSOURCEAccra
GMTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and GMT on the World Map
The map below highlights the JST (Japan Standard Time) and GMT (Greenwich Mean Time) timezone regions across the globe.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
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.
About Tokyo
WikipediaTokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
The Tokyo subway system moves approximately 8.7 million passengers daily.
Understanding the -9h Gap: Tokyo vs Accra
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. Accra runs on Greenwich Mean Time (GMT) at UTC+00:00. That puts Tokyo 9 hours behind Accra — a difference of -9h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 12:00 AM in Accra. Midnight in Tokyo is 3:00 PM in Accra. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tokyo to Accra time conversion table
| Tokyo (JST) | 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 Tokyo to Accra time
- Scheduling a call from Tokyo to Accra: a 10:00 AM start in Tokyo lands at 1:00 AM in Accra, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -9h gap: Tokyo 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 Tokyo.
- Booking travel or deliveries: tracking Accra local time against Tokyo keeps pickup windows and arrival estimates honest across the -9h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" 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 Tokyo takes the early slot, the next week Accra does.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
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 Tokyo 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 Tokyo, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Tokyo and Accra have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Tokyo is 9 hours behind Accra (JST 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 Tokyo and Accra?
Tokyo (JST, UTC+09:00) is 9 hours behind Accra (GMT, UTC+00:00). The gap is currently -9h.
How do I convert Tokyo time to Accra time?
Add -9h to Tokyo local time. For example, 9:00 AM in Tokyo 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 Tokyo.
What is the best time to call Accra from Tokyo?
There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in Tokyo, which is 4:00 AM in Accra.
Which is behind, Tokyo or Accra?
Tokyo is 9 hours behind Accra. When it is 12:00 PM in Tokyo it is 3:00 AM in Accra.
Do Tokyo and Accra use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while Accra (Ghana) uses GMT at UTC+00:00. The IANA identifiers are Asia/Tokyo and Africa/Accra.
Does daylight saving time affect the Tokyo–Accra difference?
Neither zone observes daylight saving time, so the -9h offset between Tokyo and Accra is fixed all year.
Which other cities share Tokyo's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Tokyo's zone?
JST is used in Japan.
Is there a day difference between Tokyo and Accra?
Not normally. The -9h gap only pushes the date over the previous day.
What is the time difference between Tokyo and Accra?
Accra is -9h from Tokyo.
What timezone is Tokyo in?
Tokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
What timezone is Accra in?
Accra operates on its local timezone.
What are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
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 Tokyo, what time is it in Accra?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -9h later in Accra (GMT).
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