WIB to India
-1h 30mWIB
WIBSOURCEIndia
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and IST on the World Map
The map below highlights the WIB (Western Indonesia Time) and IST (India Standard Time) timezone regions across the globe.
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.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
- •India uses a single time zone despite spanning 30° of longitude.
- •IST is one of only a handful of time zones with a 30-minute offset.
- •IST is the most populous single time zone in the world with over 1.4 billion people.
- •The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.
Comparing Time Zones: WIB and India
WIB runs on Western Indonesia Time (WIB) at UTC+07:00. India runs on India Standard Time (IST) at UTC+05:30. That puts WIB 1 hour 30 minutes behind India — a difference of -1h 30m at the current offsets.
In practice, when it is 9:00 AM in WIB it is 7:30 AM in India. Midnight in WIB is 10:30 PM in India. Neither zone observes daylight saving time, so the offset between them stays constant all year.
WIB to India time conversion table
| WIB (WIB) | India (IST) | Day |
|---|---|---|
| 12:00 AM | 10:30 PM | previous day |
| 6:00 AM | 4:30 AM | same day |
| 7:00 AM | 5:30 AM | same day |
| 8:00 AM | 6:30 AM | same day |
| 9:00 AM | 7:30 AM | same day |
| 12:00 PM | 10:30 AM | same day |
| 3:00 PM | 1:30 PM | same day |
| 5:00 PM | 3:30 PM | same day |
| 6:00 PM | 4:30 PM | same day |
| 9:00 PM | 7:30 PM | same day |
Why people convert WIB to India time
- Scheduling a call from WIB to India: a 10:00 AM start in WIB lands at 8:30 AM in India, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both WIB and India are inside the 9-to-5 working day between 10:30 AM and 5:00 PM WIB time (9:00 AM–3:30 PM IST). That is roughly 6 hours 30 minutes of usable overlap.
- Watching a live event or market open: WIB viewers need 7:30 AM in India to catch a 9:00 AM start there, and 1:30 AM if the event is anchored to WIB.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -1h 30m gap is not.
- Block 10:30 AM–5:00 PM WIB as the recurring meeting window if you work primarily from WIB and need India 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 IST (India Standard Time)
India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.
Best time to call between WIB and India
Both WIB and India sit inside the 9 AM – 5 PM working day between 10:30 AM–5:00 PM WIB, which is 9:00 AM–3:30 PM IST. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
WIB and India share 6 hours of working-hours overlap (10:30 AM–5:00 PM WIB), so scheduling a live meeting is straightforward.
WIB is 1 hour 30 minutes behind India (WIB UTC+07:00 → IST UTC+05:30). The shared working window is 10:30 AM–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:
Frequently Asked Questions
What is the time difference between WIB and India?
WIB (WIB, UTC+07:00) is 1 hour 30 minutes behind India (IST, UTC+05:30). The gap is currently -1h 30m.
How do I convert WIB time to India time?
Add -1h 30m to WIB local time. For example, 9:00 AM in WIB is 7:30 AM in India.
What time is it in India right now?
India uses IST at UTC+05:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h 30m offset from WIB.
What is the best time to call India from WIB?
Call between 10:30 AM and 5:00 PM WIB — that maps to 9:00 AM–3:30 PM IST and keeps both parties inside the working day.
Which is behind, WIB or India?
WIB is 1 hour 30 minutes behind India. When it is 12:00 PM in WIB it is 10:30 AM in India.
Do WIB and India use different time zones?
WIB uses WIB at UTC+07:00, while India (India) uses IST at UTC+05:30. The IANA identifiers are Asia/Jakarta and Asia/Kolkata.
Does daylight saving time affect the WIB–India difference?
Neither zone observes daylight saving time, so the -1h 30m offset between WIB and India 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 India?
Not normally. The -1h 30m gap only pushes the date over the previous day.
What is the time difference between WIB and India?
India is -1h 30m from WIB.
What timezone is WIB in?
WIB operates on its local timezone.
What timezone is India in?
India operates on its local timezone.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting 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.
Which cities are in the IST timezone?
Major cities in the IST timezone include Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad.
What is the UTC offset for IST?
India Standard Time (IST) is at UTC+05:30.
What should I know about the IST timezone?
India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT. India uses a single time zone despite spanning 30° of longitude.
When is it midnight in WIB, what time is it in India?
When it is 12:00 AM (midnight) in WIB (WIB), it is -1h 30m later in India (IST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More WIB time conversions
- wib to jakarta
- wib to indonesia
- wib to new york
- wib to london
- wib to dubai
- wib to tokyo
- wib to singapore
- wib to sydney
- wib to los angeles
- wib to paris
- wib to delhi
- wib to mumbai
- wib to berlin
- wib to hong kong
- wib to toronto
- wib to kathmandu
- new york to wib
- london to wib
- dubai to wib
- tokyo to wib
- singapore to wib
- sydney to wib
- los angeles to wib
- paris to wib
- delhi to wib
- mumbai to wib
- berlin to wib
- hong kong to wib
- toronto to wib
- kathmandu to wib
See every conversion from WIB →·See every conversion from India →