Time zone · Asia
WIB
Western Indonesia Time
Western Indonesia Time (WIB) covers parts of Indonesia, including Jakarta and Pontianak, and stays on UTC+07:00 all year with no daylight saving changes. Life here runs on a steady, predictable clock—great for scheduling across the archipelago without worrying about seasonal time shifts.
Thursday, October 15, 2026
Current offset
UTC+07:00
Standard · WIB
Daylight saving
Not observed
Year-round standard time
IANA zones
2
None observe daylight saving
DST offset
—
No summer variant
About WIB
A fixed, year-round offset.
Western Indonesia Time (WIB) covers parts of Indonesia, including Jakarta and Pontianak, and stays on UTC+07:00 all year with no daylight saving changes. Life here runs on a steady, predictable clock—great for scheduling across the archipelago without worrying about seasonal time shifts.
IANA zones · the technical identifiers
The 2 zones that resolve to WIB.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities across WIB
Local time, city by city.
24 cities
Where WIB is used
One country.
Same offset · UTC+07:00
Other zones at UTC+07:00 right now.
These named zones share WIB's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
WIB to the world's clocks.
Frequently asked questions
Common questions about WIB, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- What areas does WIB cover?
- WIB covers Sumatra, Java, and West and Central Kalimantan, including Jakarta and Pontianak.
- Does Western Indonesia Time observe daylight saving time?
- No, WIB does not observe daylight saving—it remains at UTC+07:00 year-round.
- Is WIB the same across its member zones?
- Yes: Jakarta and Pontianak are both on UTC+07:00 with no daylight saving time.
- Why doesn’t Indonesia use DST in this region?
- Indonesia spans tropical latitudes where day length is nearly constant, so there’s little benefit to shifting clocks for daylight saving.
- When did WIB last change its standard offset?
- Jakarta has been on UTC+07:00 since 1 January 1964. Pontianak joined WIB on 1 January 1988; before that it was on UTC+08:00.
- How does WIB affect cross-island planning in Indonesia?
- With a single, stable time zone for Java and parts of Kalimantan, teams can align clearly without summer/winter offsets.
- What does ‘WIB’ stand for?
- WIB stands for 'Waktu Indonesia Barat' (Western Indonesian Time), used in national contexts to mean UTC+07:00.
- Is WIB the same as other Indonesian time zones?
- No: Indonesia spans three main zones; WIB is for the western part, while Central and Eastern Indonesia use different offsets.
- Can I use Jakarta’s local time as a reference for all of WIB?
- Yes: Jakarta’s time (UTC+07:00, no DST) represents the entire WIB region.
Source: IANA tzdb2026d · Reviewed
Free · Developer API
This time zone, as JSON.
Its defining offset, DST status and member counts, from one endpoint.
Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.
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