BST to Indonesia
+6hBST
BSTSOURCEIndonesia
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
BST and WIB on the World Map
The map below highlights the BST (British Summer Time) and WIB (Western Indonesia Time) timezone regions across the globe.
BST – British Summer Time
UTC+01:00British Summer Time (BST, UTC+01:00) is the daylight saving period in the United Kingdom, running from late March to late October.
- •BST runs from the last Sunday in March to the last Sunday in October.
- •BST is exactly one hour ahead of GMT, the UK's standard time.
- •During BST, London is 4 hours ahead of New York while the US is on Eastern Daylight Time.
- •The Isle of Man and the Channel Islands also observe BST.
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.
BST to Indonesia Time Difference – Complete Guide
BST runs on British Summer Time (BST) at UTC+01:00. Indonesia runs on Western Indonesia Time (WIB) at UTC+07:00. That puts BST 6 hours ahead of Indonesia — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in BST it is 3:00 PM in Indonesia. Midnight in BST is 6:00 AM in Indonesia. Neither zone observes daylight saving time, so the offset between them stays constant all year.
BST to Indonesia time conversion table
| BST (BST) | Indonesia (WIB) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert BST to Indonesia time
- Scheduling a call from BST to Indonesia: a 10:00 AM start in BST lands at 4:00 PM in Indonesia, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both BST and Indonesia are inside the 9-to-5 working day between 9:00 AM and 11:00 AM BST time (3:00 PM–5:00 PM WIB). That is roughly 2 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in BST is 2:00 AM in Indonesia makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM BST as the recurring meeting window if you work primarily from BST and need Indonesia colleagues present.
About BST (British Summer Time)
British Summer Time (BST) is the daylight saving period in the United Kingdom, when clocks move one hour forward from Greenwich Mean Time (GMT, UTC+00:00) to UTC+01:00. It runs from the last Sunday in March to the last Sunday in October. England, Scotland, Wales and Northern Ireland all follow it, along with the Isle of Man and the Channel Islands of Jersey and Guernsey. During BST, London is one hour ahead of UTC, four hours ahead of New York on Eastern Daylight Time, and five hours ahead of New York once the United States returns to Eastern Standard Time in November. BST is also used to abbreviate Bangladesh Standard Time (UTC+06:00), which is listed separately on this site.
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.
Best time to call between BST and Indonesia
Both BST and Indonesia sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM BST, which is 3:00 PM–5:00 PM WIB. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
BST and Indonesia overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
BST is 6 hours ahead of Indonesia (BST UTC+01:00 → WIB UTC+07:00). The shared working window is 9:00 AM–11:00 AM BST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
BST
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Indonesia
Does not observe DST
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 BST and Indonesia?
BST (BST, UTC+01:00) is 6 hours ahead of Indonesia (WIB, UTC+07:00). The gap is currently +6h.
How do I convert BST time to Indonesia time?
Add +6h to BST local time. For example, 9:00 AM in BST is 3:00 PM in Indonesia.
What time is it in Indonesia right now?
Indonesia uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h offset from BST.
What is the best time to call Indonesia from BST?
Call between 9:00 AM and 11:00 AM BST — that maps to 3:00 PM–5:00 PM WIB and keeps both parties inside the working day.
Which is ahead, BST or Indonesia?
BST is 6 hours ahead of Indonesia. When it is 12:00 PM in BST it is 6:00 PM in Indonesia.
Do BST and Indonesia use different time zones?
BST uses BST at UTC+01:00, while Indonesia (Indonesia) uses WIB at UTC+07:00. The IANA identifiers are Europe/London and Asia/Jakarta.
Does daylight saving time affect the BST–Indonesia difference?
Neither zone observes daylight saving time, so the +6h offset between BST and Indonesia is fixed all year.
Which other cities share BST's time zone?
BST also covers London, Birmingham, Manchester, Glasgow, Edinburgh, Cardiff, Belfast, Liverpool and 2 more.
Which countries use BST, BST's zone?
BST is used in United Kingdom.
Is there a day difference between BST and Indonesia?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between BST and Indonesia?
Indonesia is +6h from BST.
What timezone is BST in?
BST operates on its local timezone.
What timezone is Indonesia in?
Indonesia operates on its local timezone.
Which countries use BST (British Summer Time)?
BST is used in United Kingdom.
Does BST observe daylight saving time?
Yes, BST switches to BST during summer months.
What are some interesting facts about BST?
BST runs from the last Sunday in March to the last Sunday in October. BST is exactly one hour ahead of GMT, the UK's standard time.
Which cities are in the WIB timezone?
Major cities in the WIB timezone include Jakarta, Surabaya, Bandung, Medan, Palembang.
What is the UTC offset for WIB?
Western Indonesia Time (WIB) is at UTC+07:00.
What should I know about the WIB timezone?
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.
When is it midnight in BST, what time is it in Indonesia?
When it is 12:00 AM (midnight) in BST (BST), it is +6h later in Indonesia (WIB).
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