CAT to WIB
+5hCAT
CATSOURCEWIB
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
CAT and WIB on the World Map
The map below highlights the CAT (Central Africa Time) and WIB (Western Indonesia Time) timezone regions across the globe.
CAT – Central Africa Time
UTC+02:00Central Africa Time (CAT, UTC+02:00) covers Zimbabwe, Zambia, Mozambique, Malawi and neighbouring countries.
- •Central Africa Time is fixed at UTC+02:00 with no daylight saving.
- •CAT matches South Africa Standard Time (SAST) all year.
- •It is the same offset as Central European Time in winter.
- •Harare is level with Johannesburg and one hour ahead of Lagos.
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.
Time Conversion Guide: CAT to WIB
CAT runs on Central Africa Time (CAT) at UTC+02:00. WIB runs on Western Indonesia Time (WIB) at UTC+07:00. That puts CAT 5 hours ahead of WIB — a difference of +5h at the current offsets.
In practice, when it is 9:00 AM in CAT it is 2:00 PM in WIB. Midnight in CAT is 5:00 AM in WIB. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CAT to WIB time conversion table
| CAT (CAT) | WIB (WIB) | Day |
|---|---|---|
| 12:00 AM | 5:00 AM | same day |
| 6:00 AM | 11:00 AM | same day |
| 7:00 AM | 12:00 PM | same day |
| 8:00 AM | 1:00 PM | same day |
| 9:00 AM | 2:00 PM | same day |
| 12:00 PM | 5:00 PM | same day |
| 3:00 PM | 8:00 PM | same day |
| 5:00 PM | 10:00 PM | same day |
| 6:00 PM | 11:00 PM | same day |
| 9:00 PM | 2:00 AM | next day |
Why people convert CAT to WIB time
- Scheduling a call from CAT to WIB: a 10:00 AM start in CAT lands at 3:00 PM in WIB, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CAT and WIB are inside the 9-to-5 working day between 9:00 AM and 12:00 PM CAT time (2:00 PM–5:00 PM WIB). That is roughly 3 hours of usable overlap.
- Coordinating a CAT-based team with WIB contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM CAT" is unambiguous; "3 PM" across a +5h gap is not.
- Block 9:00 AM–12:00 PM CAT as the recurring meeting window if you work primarily from CAT and need WIB colleagues present.
About CAT (Central Africa Time)
Central Africa Time (CAT) is fixed at UTC+02:00 all year across a broad belt of southern and central Africa, including Zimbabwe, Zambia, Mozambique, Malawi, Rwanda, Burundi and the eastern Democratic Republic of the Congo. None of these countries observes daylight saving time, so CAT never shifts. It is the same offset as South Africa Standard Time (SAST) and the winter version of Central European Time, which makes CAT a convenient bridge between African, European and Middle Eastern schedules — Harare is level with Johannesburg all year and one hour ahead of Lagos.
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 CAT and WIB
Both CAT and WIB sit inside the 9 AM – 5 PM working day between 9:00 AM–12:00 PM CAT, which is 2:00 PM–5:00 PM WIB. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
CAT and WIB overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
CAT is 5 hours ahead of WIB (CAT UTC+02:00 → WIB UTC+07:00). The shared working window is 9:00 AM–12:00 PM CAT. 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:
Frequently Asked Questions
What is the time difference between CAT and WIB?
CAT (CAT, UTC+02:00) is 5 hours ahead of WIB (WIB, UTC+07:00). The gap is currently +5h.
How do I convert CAT time to WIB time?
Add +5h to CAT local time. For example, 9:00 AM in CAT is 2:00 PM in WIB.
What time is it in WIB right now?
WIB 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 +5h offset from CAT.
What is the best time to call WIB from CAT?
Call between 9:00 AM and 12:00 PM CAT — that maps to 2:00 PM–5:00 PM WIB and keeps both parties inside the working day.
Which is ahead, CAT or WIB?
CAT is 5 hours ahead of WIB. When it is 12:00 PM in CAT it is 5:00 PM in WIB.
Does daylight saving time affect the CAT–WIB difference?
Neither zone observes daylight saving time, so the +5h offset between CAT and WIB is fixed all year.
Which other cities share CAT's time zone?
CAT also covers Harare, Lusaka, Maputo, Lilongwe, Kigali.
Which countries use CAT, CAT's zone?
CAT is used in Zimbabwe, Zambia, Mozambique, Malawi, Rwanda, Burundi, DR Congo (east).
Is there a day difference between CAT and WIB?
Not normally. The +5h gap only pushes the date over for late-evening times.
What is the time difference between CAT and WIB?
WIB is +5h from CAT.
What timezone is CAT in?
CAT operates on its local timezone.
What timezone is WIB in?
WIB operates on its local timezone.
Which countries use CAT (Central Africa Time)?
CAT is used in Zimbabwe, Zambia, Mozambique, Malawi, Rwanda, Burundi, and 1 more countries.
Does CAT observe daylight saving time?
No, CAT does not observe daylight saving time and remains at UTC+02:00 year-round.
What are some interesting facts about CAT?
Central Africa Time is fixed at UTC+02:00 with no daylight saving. CAT matches South Africa Standard Time (SAST) all year.
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 CAT, what time is it in WIB?
When it is 12:00 AM (midnight) in CAT (CAT), it is +5h later in WIB (WIB).
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