India and Indonesia Working Hours Overlap in IST
Indonesia · Asia-Pacific
Overlap by Indonesia Region
Indonesia spans multiple time zones — overlap varies by region
| Region | Timezone | Key cities | Overlap (IST) | Duration |
|---|---|---|---|---|
| Western (WIB) | WIB | Jakarta · Surabaya · Sumatra · West Kalimantan | 9:00 AM – 4:30 PM | 7.5h |
| Central (WITA) | WITA | Bali · Lombok · East Kalimantan · Sulawesi | 9:00 AM – 3:30 PM | 6.5h |
| Eastern (WIT) | WIT | Papua · Maluku · Timor | 9:00 AM – 2:30 PM | 5.5h |
24-Hour Timeline
Overlap for Different Work Hours
Adjust your work schedule and see how overlap changes
| Indonesia Hours | Overlap (IST) | Local Time | Duration |
|---|---|---|---|
| 8:00 AM – 5:00 PM | 9:00 AM – 3:30 PM IST | 10:30 AM – 5:00 PM | 6.5 hrs |
| 9:00 AM – 6:00 PM | 9:00 AM – 4:30 PM IST | 10:30 AM – 6:00 PM | 7.5 hrs |
| 10:00 AM – 7:00 PM | 9:00 AM – 5:30 PM IST | 10:30 AM – 7:00 PM | 8.5 hrs |
Note: Work week is Mon–Fri
About This Overlap
Indonesia is the world's 4th-most-populous nation and a critical ASEAN partner. IST is 2h 30m ahead of Jakarta time (WIB, UTC+7) — same as Thailand. India's 9 AM = 11:30 AM Jakarta; India's 5 PM = 7:30 PM. Indonesia–India maritime trade is significant; Indian textiles and spices export heavily to Indonesia. Growing IT outsourcing ties.
Last updated: 20 March 2026
Frequently Asked Questions
When do India and Indonesia share working hours?
Overlap: 9:00 AM – 4:30 PM IST — 7.5 hours
How many hours overlap does IST have with Indonesia?
Indian Standard Time (IST, UTC+5:30) and Indonesia have a 7.5-hour overlap window. The exact span depends on daylight saving time in Indonesia.
What is the best time to schedule a call between India and Indonesia?
Schedule calls between 9:00 AM and 4:30 PM IST (10:30 AM–6:00 PM Indonesia local time). This ensures both parties are within business hours.
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