Tokyo to ICT
-2hTokyo
JSTSOURCEICT
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and ICT on the World Map
The map below highlights the JST (Japan Standard Time) and ICT (Indochina 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.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
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.
Tokyo vs ICT: Offsets, DST and Best Call Times
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. ICT runs on Indochina Time (ICT) at UTC+07:00. That puts Tokyo 2 hours behind ICT — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 7:00 AM in ICT. Midnight in Tokyo is 10:00 PM in ICT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tokyo to ICT time conversion table
| Tokyo (JST) | ICT (ICT) | Day |
|---|---|---|
| 12:00 AM | 10:00 PM | previous day |
| 6:00 AM | 4:00 AM | same day |
| 7:00 AM | 5:00 AM | same day |
| 8:00 AM | 6:00 AM | same day |
| 9:00 AM | 7:00 AM | same day |
| 12:00 PM | 10:00 AM | same day |
| 3:00 PM | 1:00 PM | same day |
| 5:00 PM | 3:00 PM | same day |
| 6:00 PM | 4:00 PM | same day |
| 9:00 PM | 7:00 PM | same day |
Why people convert Tokyo to ICT time
- Scheduling a call from Tokyo to ICT: a 10:00 AM start in Tokyo lands at 8:00 AM in ICT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tokyo and ICT are inside the 9-to-5 working day between 11:00 AM and 5:00 PM JST time (9:00 AM–3:00 PM ICT). That is roughly 6 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Tokyo is 6:00 PM in ICT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -2h gap is not.
- Block 11:00 AM–5:00 PM JST as the recurring meeting window if you work primarily from Tokyo and need ICT colleagues present.
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 ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
Best time to call between Tokyo and ICT
Both Tokyo and ICT sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM JST, which is 9:00 AM–3:00 PM ICT. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Tokyo and ICT share 6 hours of working-hours overlap (11:00 AM–5:00 PM JST), so scheduling a live meeting is straightforward.
Tokyo is 2 hours behind ICT (JST UTC+09:00 → ICT UTC+07:00). The shared working window is 11:00 AM–5:00 PM JST. 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 ICT?
Tokyo (JST, UTC+09:00) is 2 hours behind ICT (ICT, UTC+07:00). The gap is currently -2h.
How do I convert Tokyo time to ICT time?
Add -2h to Tokyo local time. For example, 9:00 AM in Tokyo is 7:00 AM in ICT.
What time is it in ICT right now?
ICT uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h offset from Tokyo.
What is the best time to call ICT from Tokyo?
Call between 11:00 AM and 5:00 PM JST — that maps to 9:00 AM–3:00 PM ICT and keeps both parties inside the working day.
Which is behind, Tokyo or ICT?
Tokyo is 2 hours behind ICT. When it is 12:00 PM in Tokyo it is 10:00 AM in ICT.
Do Tokyo and ICT use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while ICT uses ICT at UTC+07:00. The IANA identifiers are Asia/Tokyo and Asia/Bangkok.
Does daylight saving time affect the Tokyo–ICT difference?
Neither zone observes daylight saving time, so the -2h offset between Tokyo and ICT 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 ICT?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between Tokyo and ICT?
ICT is -2h 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 ICT in?
ICT 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 ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Tokyo, what time is it in ICT?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -2h later in ICT (ICT).
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