Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

WIB to Johannesburg

-5h

WIB

WIBSOURCE

UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Johannesburg

SAST

South Africa · UTC+02:00

HH07

MM00

07:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

WIB

Johannesburg

12:00 AM

7:00 PM-1

2:00 AM

9:00 PM-1

4:00 AM

11:00 PM-1

6:00 AM

1:00 AM

8:00 AM

3:00 AM

10:00 AM

5:00 AM

12:00 PM

7:00 AM

2:00 PM

9:00 AM

4:00 PM

11:00 AM

6:00 PM

1:00 PM

8:00 PM

3:00 PM

10:00 PM

5:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

WIB and SAST on the World Map

The map below highlights the WIB (Western Indonesia Time) and SAST (South Africa Standard Time) timezone regions across the globe.

WIB Zone

→

SAST Zone

Explore all world timezones interactively →

WIB – Western Indonesia Time

UTC+07:00

Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.

Countries in WIB

Indonesia (Java, Sumatra, West Kalimantan)

Major Cities in WIB

JakartaSurabayaBandungMedanPalembang

Key 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.
•Jakarta is the largest city in Southeast Asia by population.
•WIB shares the UTC+07:00 offset with Indochina Time.

Daylight Saving:No – UTC+07:00 year-round

Learn more about WIB on Wikipedia

SAST – South Africa Standard Time

UTC+02:00

South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.

Countries in SAST

South AfricaLesothoEswatini

Major Cities in SAST

JohannesburgCape TownDurbanPretoriaPort Elizabeth

Key Facts about SAST

•South Africa does not observe daylight saving time.
•SAST is the same offset as EET and Israel Standard Time.
•The Johannesburg Stock Exchange (JSE) is Africa's largest.

Daylight Saving:No – UTC+02:00 year-round

Learn more about SAST on Wikipedia

About Johannesburg

Wikipedia

Johannesburg operates on South Africa Time (SAST), UTC+2. As Africa's largest economy hub and home to the JSE, Johannesburg drives African financial markets.

Population:5.8 million

Metro:10.5 million

Business Hours:8:00 AM - 5:00 PM SAST

Currency:ZAR (R)

Stock Exchange:JSE (Johannesburg Stock Exchange)

Key Landmarks

Apartheid MuseumConstitution HillGold Reef CityMaboneng PrecinctSoweto

Did You Know?

Johannesburg is built on the world's largest gold deposit.

Learn more about SAST timezone →

Understanding the -5h Gap: WIB vs Johannesburg

WIB runs on Western Indonesia Time (WIB) at UTC+07:00. Johannesburg runs on South Africa Standard Time (SAST) at UTC+02:00. That puts WIB 5 hours behind Johannesburg — a difference of -5h at the current offsets.

In practice, when it is 9:00 AM in WIB it is 4:00 AM in Johannesburg. Midnight in WIB is 7:00 PM in Johannesburg. Neither zone observes daylight saving time, so the offset between them stays constant all year.

WIB to Johannesburg time conversion table

WIB (WIB)	Johannesburg (SAST)	Day
12:00 AM	7:00 PM	previous day
6:00 AM	1:00 AM	same day
7:00 AM	2:00 AM	same day
8:00 AM	3:00 AM	same day
9:00 AM	4:00 AM	same day
12:00 PM	7:00 AM	same day
3:00 PM	10:00 AM	same day
5:00 PM	12:00 PM	same day
6:00 PM	1:00 PM	same day
9:00 PM	4:00 PM	same day

Why people convert WIB to Johannesburg time

Scheduling a call from WIB to Johannesburg: a 10:00 AM start in WIB lands at 5:00 AM in Johannesburg, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both WIB and Johannesburg are inside the 9-to-5 working day between 2:00 PM and 5:00 PM WIB time (9:00 AM–12:00 PM SAST). That is roughly 3 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in WIB is 3:00 PM in Johannesburg makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -5h gap is not.
Block 2:00 PM–5:00 PM WIB as the recurring meeting window if you work primarily from WIB and need Johannesburg 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 SAST (South Africa Standard Time)

South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.

Best time to call between WIB and Johannesburg

Both WIB and Johannesburg sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM WIB, which is 9:00 AM–12:00 PM SAST. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

WIB and Johannesburg overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.

WIB is 5 hours behind Johannesburg (WIB UTC+07:00 → SAST UTC+02:00). The shared working window is 2:00 PM–5:00 PM WIB. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between WIB and Johannesburg?

WIB (WIB, UTC+07:00) is 5 hours behind Johannesburg (SAST, UTC+02:00). The gap is currently -5h.

How do I convert WIB time to Johannesburg time?

Add -5h to WIB local time. For example, 9:00 AM in WIB is 4:00 AM in Johannesburg.

What time is it in Johannesburg right now?

Johannesburg uses SAST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h offset from WIB.

What is the best time to call Johannesburg from WIB?

Call between 2:00 PM and 5:00 PM WIB — that maps to 9:00 AM–12:00 PM SAST and keeps both parties inside the working day.

Which is behind, WIB or Johannesburg?

WIB is 5 hours behind Johannesburg. When it is 12:00 PM in WIB it is 7:00 AM in Johannesburg.

Do WIB and Johannesburg use different time zones?

WIB uses WIB at UTC+07:00, while Johannesburg (South Africa) uses SAST at UTC+02:00. The IANA identifiers are Asia/Jakarta and Africa/Johannesburg.

Does daylight saving time affect the WIB–Johannesburg difference?

Neither zone observes daylight saving time, so the -5h offset between WIB and Johannesburg is fixed all year.

Which other cities share WIB's time zone?

WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.

Which countries use WIB, WIB's zone?

WIB is used in Indonesia (Java, Sumatra, West Kalimantan).

Is there a day difference between WIB and Johannesburg?

Not normally. The -5h gap only pushes the date over the previous day.

What is the time difference between WIB and Johannesburg?

Johannesburg is -5h from WIB.

What timezone is WIB in?

WIB operates on its local timezone.

What timezone is Johannesburg in?

Johannesburg operates on South Africa Time (SAST), UTC+2. As Africa's largest economy hub and home to the JSE, Johannesburg drives African financial markets.