Convert Bhutan Time to India Time
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BTT · UTC+6 → IST · UTC+5:30
BTT is 30 minutes ahead of IST
Thimphu · UTC+6
Wednesday, 7 October 2026
Mumbai · IST
Wednesday, 7 October 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 09:30–18:00 in Thimphu is 09:00–17:30 in Mumbai.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
17:26 Wed 7 Oct Thimphu = 16:56 Wed 7 Oct Mumbai
Hour-by-hour conversion
| Thimphu (BTT)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Mumbai (IST) | |
|---|---|---|
| 00:00 | 23:30prev. day | |
| 01:00 | 00:30 | |
| 02:00 | 01:30 | |
| 03:00 | 02:30 | |
| 04:00 | 03:30 | |
| 05:00 | 04:30 | |
| 06:00 | 05:30 | |
| 07:00 | 06:30 | |
| 08:00 | 07:30 | |
| 09:00 | 08:30 | |
| 10:00 | 09:30 | Both at work |
| 11:00 | 10:30 | Both at work |
| 12:00 | 11:30 | Both at work |
| 13:00 | 12:30 | Both at work |
| 14:00 | 13:30 | Both at work |
| 15:00 | 14:30 | Both at work |
| 16:00 | 15:30 | Both at work |
| 17:00 | 16:30 | Now |
| 18:00 | 17:30 | |
| 19:00 | 18:30 | |
| 20:00 | 19:30 | |
| 21:00 | 20:30 | |
| 22:00 | 21:30 | |
| 23:00 | 22:30 |
About this conversion
BTT here means Bhutan Time, represented by Thimphu (Asia/Thimphu), currently UTC+6. IST means India Time, represented by Mumbai (Asia/Kolkata), currently UTC+5:30.
IST is used by 3 zones, including India. See every meaning of IST.
Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Thimphu; day boundaries are marked where the date differs.
Quick answers
- 09:00 BTT is 08:30 IST
- 12:00 BTT is 11:30 IST
- 15:00 BTT is 14:30 IST
- 18:00 BTT is 17:30 IST
Related conversions
- Bhutan Time to Japan TimeBTT → JST
- Bhutan Time to Kosrae TimeBTT → KOST
- Bhutan Time to Moscow TimeBTT → MSK
- Bhutan Time to Samara TimeBTT → SAMT
- Casey Time to India TimeCAST → IST
- Cocos Islands Time to India TimeCCT → IST
- Central Time to India TimeCST → IST
- Hong Kong Time to India TimeHKT → IST
- Bhutan Time to Eastern TimeBTT → EST
- Eastern Time to India TimeEST → IST
- Time in Thimphunow, DST, offset
- Time in Mumbainow, DST, offset