Indonesia to Tokyo
+2hIndonesia
WIBSOURCETokyo
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and JST on the World Map
The map below highlights the WIB (Western Indonesia Time) and JST (Japan Standard Time) timezone regions across the globe.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
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.
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.
Indonesia vs Tokyo: Offsets, DST and Best Call Times
Indonesia runs on Western Indonesia Time (WIB) at UTC+07:00. Tokyo runs on Japan Standard Time (JST) at UTC+09:00. That puts Indonesia 2 hours ahead of Tokyo — a difference of +2h at the current offsets.
In practice, when it is 9:00 AM in Indonesia it is 11:00 AM in Tokyo. Midnight in Indonesia is 2:00 AM in Tokyo. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Indonesia to Tokyo time conversion table
| Indonesia (WIB) | Tokyo (JST) | Day |
|---|---|---|
| 12:00 AM | 2:00 AM | same day |
| 6:00 AM | 8:00 AM | same day |
| 7:00 AM | 9:00 AM | same day |
| 8:00 AM | 10:00 AM | same day |
| 9:00 AM | 11:00 AM | same day |
| 12:00 PM | 2:00 PM | same day |
| 3:00 PM | 5:00 PM | same day |
| 5:00 PM | 7:00 PM | same day |
| 6:00 PM | 8:00 PM | same day |
| 9:00 PM | 11:00 PM | same day |
Why people convert Indonesia to Tokyo time
- Scheduling a call from Indonesia to Tokyo: a 10:00 AM start in Indonesia lands at 12:00 PM in Tokyo, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Indonesia and Tokyo are inside the 9-to-5 working day between 9:00 AM and 3:00 PM WIB time (11:00 AM–5:00 PM JST). That is roughly 6 hours of usable overlap.
- Watching a live event or market open: Indonesia viewers need 11:00 AM in Tokyo to catch a 9:00 AM start there, and 10:00 PM if the event is anchored to Indonesia.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a +2h gap is not.
- Block 9:00 AM–3:00 PM WIB as the recurring meeting window if you work primarily from Indonesia and need Tokyo colleagues present.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
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.
Best time to call between Indonesia and Tokyo
Both Indonesia and Tokyo sit inside the 9 AM – 5 PM working day between 9:00 AM–3:00 PM WIB, which is 11:00 AM–5:00 PM JST. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Indonesia and Tokyo share 6 hours of working-hours overlap (9:00 AM–3:00 PM WIB), so scheduling a live meeting is straightforward.
Indonesia is 2 hours ahead of Tokyo (WIB UTC+07:00 → JST UTC+09:00). The shared working window is 9:00 AM–3:00 PM WIB. 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 Indonesia and Tokyo?
Indonesia (WIB, UTC+07:00) is 2 hours ahead of Tokyo (JST, UTC+09:00). The gap is currently +2h.
How do I convert Indonesia time to Tokyo time?
Add +2h to Indonesia local time. For example, 9:00 AM in Indonesia is 11:00 AM in Tokyo.
What time is it in Tokyo right now?
Tokyo uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +2h offset from Indonesia.
What is the best time to call Tokyo from Indonesia?
Call between 9:00 AM and 3:00 PM WIB — that maps to 11:00 AM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, Indonesia or Tokyo?
Indonesia is 2 hours ahead of Tokyo. When it is 12:00 PM in Indonesia it is 2:00 PM in Tokyo.
Do Indonesia and Tokyo use different time zones?
Indonesia (Indonesia) uses WIB at UTC+07:00, while Tokyo (Japan) uses JST at UTC+09:00. The IANA identifiers are Asia/Jakarta and Asia/Tokyo.
Does daylight saving time affect the Indonesia–Tokyo difference?
Neither zone observes daylight saving time, so the +2h offset between Indonesia and Tokyo is fixed all year.
Which other cities share Indonesia's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, Indonesia's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between Indonesia and Tokyo?
Not normally. The +2h gap only pushes the date over for late-evening times.
What is the time difference between Indonesia and Tokyo?
Tokyo is +2h from Indonesia.
What timezone is Indonesia in?
Indonesia operates on its local timezone.
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 are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about WIB?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Indonesia, what time is it in Tokyo?
When it is 12:00 AM (midnight) in Indonesia (WIB), it is +2h later in Tokyo (JST).
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