Time Difference UK and Indonesia
Jakarta is 6 hours ahead of London. Because the clocks do not change on the same days, the difference is sometimes 7 hours – the table shows when. When it is 12:00 in London, it is 18:00 in Jakarta.
Time difference UK and Indonesia to the end of 2027
| Period | Difference |
|---|---|
| 1 Oct 2026 – 25 Oct 2026 | +6 h |
| 25 Oct 2026 – 28 Mar 2027 | +7 h |
| 28 Mar 2027 – 31 Oct 2027 | +6 h |
| 31 Oct 2027 – 31 Dec 2027 | +7 h |
Convert the time: London → Jakarta
| London | Jakarta (+6 h) | Jakarta (+7 h) |
|---|---|---|
| 00:00 | 06:00 | 07:00 |
| 02:00 | 08:00 | 09:00 |
| 04:00 | 10:00 | 11:00 |
| 06:00 | 12:00 | 13:00 |
| 08:00 | 14:00 | 15:00 |
| 10:00 | 16:00 | 17:00 |
| 12:00 | 18:00 | 19:00 |
| 14:00 | 20:00 | 21:00 |
| 16:00 | 22:00 | 23:00 |
| 18:00 | 00:00 (+1) | 01:00 (+1) |
| 20:00 | 02:00 (+1) | 03:00 (+1) |
| 22:00 | 04:00 (+1) | 05:00 (+1) |
(+1) = next day, (−1) = previous day. One column for each difference in the table above.
Time zones in Indonesia
| Time zone (example city) | January 2027 | July 2027 |
|---|---|---|
| Western Indonesia Time (Jakarta) | +7 h | +6 h |
| Central Indonesia Time (Makassar) | +8 h | +7 h |
| Eastern Indonesia Time (Jayapura) | +9 h | +8 h |
Clock changes in 2027
- UK: 28 March (+1 h) and 31 October (−1 h).
- Indonesia: no clock change.
Calculate the time difference between any two countries
How it is calculated
We use the IANA time zone database (tzdata), which browsers and operating systems use as well. For every day the UTC offset of both main zones (London and Jakarta) is looked up; the difference only changes when one of the countries changes its clocks. In the UK and the EU that happens on the last Sunday of March and October at 01:00 UTC; in the US on the second Sunday of March and the first Sunday of November (15 U.S.C. § 260a).
Limits: countries can change their time rules at short notice; this page shows the time zone database as of the update date. For countries with several time zones the main zone is used; the others are listed in the time zone table.
Frequently asked questions
How many hours is the time difference between the UK and Indonesia?
Jakarta is 6 hours ahead of London. At times it is 7 hours, because the clocks change on different days.
What time is it in Jakarta when it is 12 noon in London?
18:00 – as long as the difference is 6 hours. The conversion table shows every hour.
When does the time difference change?
Up to the end of 2027 on these dates: 25 October 2026: +7 h; 28 March 2027: +6 h; 31 October 2027: +7 h.
Does Indonesia observe daylight saving time?
No, Jakarta has no clock change in 2027, so the difference to London only changes when London changes its clocks.
How many time zones does Indonesia have?
Several; this page uses Jakarta. The time zone table shows the difference for 3 zones in January and July.
Time difference UK – other countries
Sources
- IANA Time Zone Database (tzdata)
- ECMA-402 – Intl.DateTimeFormat, option timeZone
- EUR-Lex – 2000/84/EC (summer time / Sommerzeit)
- 15 U.S.C. § 260a – daylight saving time in the United States (Cornell LII)
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