Jakarta to GMT
-7hJakarta
WIBSOURCEGMT
GMTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and GMT on the World Map
The map below highlights the WIB (Western Indonesia Time) and GMT (Greenwich Mean 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.
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 Jakarta
WikipediaJakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).
Jakarta vs GMT: Offsets, DST and Best Call Times
Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. GMT runs on Greenwich Mean Time (GMT) at UTC+00:00. That puts Jakarta 7 hours behind GMT — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in Jakarta it is 2:00 AM in GMT. Midnight in Jakarta is 5:00 PM in GMT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Jakarta to GMT time conversion table
| Jakarta (WIB) | GMT (GMT) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert Jakarta to GMT time
- Scheduling a call from Jakarta to GMT: a 10:00 AM start in Jakarta lands at 3:00 AM in GMT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Jakarta and GMT are inside the 9-to-5 working day between 4:00 PM and 5:00 PM WIB time (9:00 AM–10:00 AM GMT). That is roughly 1 hours of usable overlap.
- Coordinating a Jakarta-based team with GMT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM WIB as the recurring meeting window if you work primarily from Jakarta and need GMT 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 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 Jakarta and GMT
Both Jakarta and GMT sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM WIB, which is 9:00 AM–10:00 AM GMT. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Jakarta and GMT overlap for only 60 minutes (4:00 PM–5:00 PM WIB), so meetings have to be booked precisely.
Jakarta is 7 hours behind GMT (WIB UTC+07:00 → GMT UTC+00:00). The shared working window is 4:00 PM–5:00 PM WIB. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Jakarta
Does not observe DST
GMT
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
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 Jakarta and GMT?
Jakarta (WIB, UTC+07:00) is 7 hours behind GMT (GMT, UTC+00:00). The gap is currently -7h.
How do I convert Jakarta time to GMT time?
Add -7h to Jakarta local time. For example, 9:00 AM in Jakarta is 2:00 AM in GMT.
What time is it in GMT right now?
GMT 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 -7h offset from Jakarta.
What is the best time to call GMT from Jakarta?
Call between 4:00 PM and 5:00 PM WIB — that maps to 9:00 AM–10:00 AM GMT and keeps both parties inside the working day.
Which is behind, Jakarta or GMT?
Jakarta is 7 hours behind GMT. When it is 12:00 PM in Jakarta it is 5:00 AM in GMT.
Do Jakarta and GMT use different time zones?
Jakarta (Indonesia) uses WIB at UTC+07:00, while GMT uses GMT at UTC+00:00. The IANA identifiers are Asia/Jakarta and Europe/London.
Does daylight saving time affect the Jakarta–GMT difference?
Neither zone observes daylight saving time, so the -7h offset between Jakarta and GMT is fixed all year.
Which other cities share Jakarta's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, Jakarta's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between Jakarta and GMT?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between Jakarta and GMT?
GMT is -7h from Jakarta.
What timezone is Jakarta in?
Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
What timezone is GMT in?
GMT operates on its local timezone.
What are the business hours in Jakarta?
Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.
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 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 Jakarta, what time is it in GMT?
When it is 12:00 AM (midnight) in Jakarta (WIB), it is -7h later in GMT (GMT).
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