WorldClockTools.
WeltzeituhrUmrechnerBesprechungsplanerCountdownsMarkets

WorldClockTools.

Time, simplified

Werkzeuge

  • Weltzeituhr
  • Zeitzonen-Umrechner
  • Timezone Reference
  • Watchlist
  • Besprechungsplaner
  • Timer
  • Stoppuhr
  • Date Calculators
  • Exact Time
  • Countdowns
  • Market Hours
  • Browse pages
  • Clock Widgets
  • Public Holidays
  • Airports

Regions

  • Americas
  • Europe
  • Asia
  • Africa
  • Oceania

Popular Cities

  • New York
  • São Paulo
  • Mexico City
  • London
  • Paris
  • Berlin
  • Tokyo
  • Shanghai
  • Mumbai
  • Lagos

Umrechner

  • EST to PST
  • PST to IST
  • GMT to EST
  • CET to EST
  • IST to GMT

Hubs

  • City Compare
  • Business overlap
  • Market Hours
  • Open now
  • Countdowns
  • Browse hub
  • Tools hub
  • Airport indexes

© 2026 WorldClockTools. Alle Rechte vorbehalten.

Städtedaten von GeoNames (CC BY 4.0). Zeitzonendaten aus der IANA-Zeitzonendatenbank.

  1. WorldClockTools
  2. Zeitzonen-Umrechner
  3. WIB -> JST

Timezone converter

WIB zu JST Konverter.

WIB → JSTGap: +2h6h 9-5 overlap

WIB to JST currently uses Western Indonesia Time in Asia/Jakarta and Japan Time in Asia/Tokyo as the live reference pair. Right now the gap is +2h, and the sections below break that into meeting-time shortcuts, workday overlap, DST changes, and city coverage on both sides.

Last updated Apr 22, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.

Reverse: JST → WIB

From

WIB

Western Indonesia Time

Asia/Jakarta · GMT+7 +07:00

--:--:--

Major markets in this grouping include Jakarta, Surabaya, Bekasi, Bandung.

To

JST

Japan Time

Asia/Tokyo · GMT+9 +09:00

--:--:--

Major markets in this grouping include Tokyo, Yokohama, Osaka, Nagoya.

Scheduling snapshot

Current gap

+2h

WIB +07:00 vs JST +09:00

9-to-5 overlap

6h

WIB 9:00 AM previous day to 3:00 PM previous day

Representative countries

Indonesia / Japan

Based on the busiest city and zone usage found in the current dataset.

Pair context

WIB and JST currently connect Jakarta and Tokyo with a live gap of +2h. Representative coverage on the WIB side is anchored by Jakarta, Surabaya, Bekasi, and Bandung, while the JST side is anchored by Tokyo, Yokohama, Osaka, and Nagoya.

Using a simple 9:00 AM to 5:00 PM workday on both sides, the pair shares about 6 hours of business overlap - roughly WIB 9:00 AM previous day to 3:00 PM previous day, which is JST 11:00 AM previous day to 5:00 PM previous day. Most of the workday still lines up, which is helpful for live support, same-day reviews, and straightforward calendar invites.

The live gap is +2h right now, based on Asia/Jakarta at +07:00 and Asia/Tokyo at +09:00. Neither reference zone shows an offset change in the next year, so the gap should stay stable.

Market coverage on both sides

On the WIB side, the current dataset is anchored by cities such as Jakarta, Indonesia; Surabaya, Indonesia; Bekasi, Indonesia; Bandung, Indonesia; Medan, Indonesia; Depok, Indonesia. That makes this page useful for real-world coordination patterns rather than only abstract offset math.

On the JST side, the live reference set includes Tokyo, Japan; Yokohama, Japan; Osaka, Japan; Nagoya, Japan; Sapporo, Japan; Fukuoka, Japan. In practice, that means the conversion is tied to recognizable business, travel, and support hubs rather than a single anonymous timezone label.

Country usage on the two sides currently includes Indonesia for WIB and Japan for JST. That country coverage helps explain why some pairs feel like outsourcing, logistics, gaming, finance, or travel-heavy conversions while others are more niche.

Digit-Roll Converter

Adjust the time — digits roll like an odometer. Swap button flips the zones.

FROM
1
4
:
3
0
TO
2
3
:
3
0

Common meeting times

WIB to JST meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

WIBJSTDay relation
9:00 AM11:00 AMWed, Apr 22same day
12:00 PM2:00 PMWed, Apr 22same day
3:00 PM5:00 PMWed, Apr 22same day
6:00 PM8:00 PMWed, Apr 22same day
9:00 PM11:00 PMWed, Apr 22same day

JST to WIB meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

JSTWIBDay relation
9:00 AM7:00 AMThu, Apr 23same day
12:00 PM10:00 AMThu, Apr 23same day
3:00 PM1:00 PMThu, Apr 23same day
6:00 PM4:00 PMThu, Apr 23same day
9:00 PM7:00 PMThu, Apr 23same day

Operational notes

WIB to JST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 11:00 AM, while 9:00 PM lands at 11:00 PM, which makes the practical handoff window much easier to scan.

JST to WIB meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 7:00 AM, while 9:00 PM lands at 7:00 PM, which makes the practical handoff window much easier to scan.

Popular hour answers

These direct answers are here for the exact-intent searches people actually use, like “10 AM WIB to JST” or “4 PM WIB in JST”.

8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM9 PM

What is 8 AM WIB in JST?

8 AM WIB = 10:00 AM JST (10:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 AM WIB in JST?

9 AM WIB = 11:00 AM JST (11:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 10 AM WIB in JST?

10 AM WIB = 12:00 PM JST (12:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 11 AM WIB in JST?

11 AM WIB = 1:00 PM JST (13:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 12 PM WIB in JST?

12 PM WIB = 2:00 PM JST (14:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 1 PM WIB in JST?

1 PM WIB = 3:00 PM JST (15:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 2 PM WIB in JST?

2 PM WIB = 4:00 PM JST (16:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 3 PM WIB in JST?

3 PM WIB = 5:00 PM JST (17:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 4 PM WIB in JST?

4 PM WIB = 6:00 PM JST (18:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 5 PM WIB in JST?

5 PM WIB = 7:00 PM JST (19:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 6 PM WIB in JST?

6 PM WIB = 8:00 PM JST (20:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 PM WIB in JST?

9 PM WIB = 11:00 PM JST (23:00). On today's live calendar that lands on Wed, Apr 22 in JST, which means the answer is a same day conversion rather than a static offset lookup.

Overlap window and DST radar

The live gap is +2h right now, based on Asia/Jakarta at +07:00 and Asia/Tokyo at +09:00. Neither reference zone shows an offset change in the next year, so the gap should stay stable.

The most usable workday block right now is about 6 hours: WIB 9:00 AM previous day to 3:00 PM previous day, which lines up with JST 11:00 AM previous day to 5:00 PM previous day.

Reference zones

Asia/Jakarta

GMT+7 · +07:00

Asia/Tokyo

GMT+9 · +09:00

These are the busiest live references selected from the abbreviation families on this page.

Umrechnungstabelle

WIBJST
07:0009:00
08:0010:00
09:0011:00
10:0012:00
11:0013:00
12:0014:00
13:0015:00
14:0016:00
15:0017:00
16:0018:00
17:0019:00
18:0020:00
19:0021:00
20:0022:00
21:0023:00
22:0000:00
23:0001:00
00:0002:00
01:0003:00
02:0004:00
03:0005:00
04:0006:00
05:0007:00
06:0008:00

Top cities using WIB

Countries represented here include Indonesia.

JakartaIndonesiaSurabayaIndonesiaBekasiIndonesiaBandungIndonesiaMedanIndonesiaDepokIndonesiaTangerangIndonesiaPalembangIndonesiaSemarangIndonesiaSouth TangerangIndonesia

Top cities using JST

Countries represented here include Japan.

TokyoJapanYokohamaJapanOsakaJapanNagoyaJapanSapporoJapanFukuokaJapanKawasakiJapanKobeJapanKyotoJapanSaitamaJapan

FAQ

How many hours is JST ahead of WIB?
JST is currently +2h relative to WIB, using Asia/Jakarta and Asia/Tokyo as the live reference zones on this page.
What is the best workday overlap between WIB and JST?
The current 9-to-5 overlap is about 6 hours: WIB 9:00 AM previous day to 3:00 PM previous day, which matches JST 11:00 AM previous day to 5:00 PM previous day.
Does the WIB-JST time difference change during DST?
The live gap is +2h right now, based on Asia/Jakarta at +07:00 and Asia/Tokyo at +09:00. Neither reference zone shows an offset change in the next year, so the gap should stay stable.
Which cities commonly use WIB and JST?
WIB commonly covers cities such as Jakarta, Surabaya, Bekasi, and Bandung, while JST commonly covers cities such as Tokyo, Yokohama, Osaka, and Nagoya.
Should I use WIB/JST or exact IANA zones?
Use the abbreviations for a quick read, but use exact IANA zones such as Asia/Jakarta and Asia/Tokyo when you need something precise in software, travel plans, or long-range scheduling.
Interaktiven Konverter öffnen

Verwandte Umrechnungen

EST → JSTEST → WIBPST → JSTPST → WIBCST → JSTCST → WIBMST → JSTMST → WIBGMT → JSTGMT → WIBUTC → JSTUTC → WIB

Related planning pages

Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.

Interactive converter

Move from this static pair into the full timezone converter with more cities and abbreviations.

Compare city pairs

Use compare pages when the practical question is overlap, not just offset arithmetic.

World clock

Open live city clocks after narrowing the timezone pair you care about.

Browse city pages

Jump into the strongest city pages when you want location-specific timezone context.