India and Bhutan Working Hours Overlap in IST
Bhutan · South Asia
24-Hour Timeline
Overlap for Different Work Hours
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| Bhutan Hours | Overlap (IST) | Local Time | Duration |
|---|---|---|---|
| 8:00 AM – 5:00 PM | 9:00 AM – 4:30 PM IST | 9:30 AM – 5:00 PM | 7.5 hrs |
| 9:00 AM – 6:00 PM | 9:00 AM – 5:30 PM IST | 9:30 AM – 6:00 PM | 8.5 hrs |
| 10:00 AM – 7:00 PM | 9:30 AM – 6:00 PM IST | 10:00 AM – 6:30 PM | 8.5 hrs |
Note: Work week is Mon–Fri
About This Overlap
Bhutan is India's closest Himalayan ally and strategically important neighbour. IST is 0h 30m behind BTT year-round (no DST) — unique! Thimphu is 30 minutes AHEAD of IST. India's 9 AM = 9:30 AM Bhutan; India's 5 PM = 5:30 PM Bhutan. Bhutan's GNH (Gross National Happiness) philosophy aligns with India's development agenda. India provides Bhutan's security and significant economic support.
Last updated: 20 March 2026
Frequently Asked Questions
When do India and Bhutan share working hours?
Overlap: 9:00 AM – 5:30 PM IST — 8.5 hours
How many hours overlap does IST have with Bhutan?
Indian Standard Time (IST, UTC+5:30) and Bhutan have a 8.5-hour overlap window. The exact span depends on daylight saving time in Bhutan.
What is the best time to schedule a call between India and Bhutan?
Schedule calls between 9:00 AM and 5:30 PM IST (9:30 AM–6:00 PM Bhutan local time). This ensures both parties are within business hours.
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