Time in BTT and IST
The time difference between Bhutan Time (BTT) and Indian Standard Time (IST) is 30 minutes. Indian Standard Time is 30 minutes behind Bhutan Time.
This means 9am BTT is 8:30am IST and 5pm BTT is 4:30pm IST.
Bhutan Time
- The current local time in BTT is 8:31 pm (July 18, 2026)
- BTT time zone offset is UTC+06:00
Indian Standard Time
- The current local time in IST is 8:01 pm (July 18, 2026)
- IST time zone offset is UTC+05:30
How to convert Bhutan Time to Indian Standard Time?
Subtract 30 minutes from Bhutan Time to get Indian Standard Time.
Time in BTT
00:00
Time in IST
00:00
Use the slider above to convert Bhutan Time to Indian Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| BTT | IST |
|---|---|
| 12am | 11:30pm |
| 1am | 0:30am |
| 2am | 1:30am |
| 3am | 2:30am |
| 4am | 3:30am |
| 5am | 4:30am |
| 6am | 5:30am |
| 7am | 6:30am |
| 8am | 7:30am |
| 9am | 8:30am |
| 10am | 9:30am |
| 11am | 10:30am |
| 12pm | 11:30am |
| 1pm | 12:30pm |
| 2pm | 1:30pm |
| 3pm | 2:30pm |
| 4pm | 3:30pm |
| 5pm | 4:30pm |
| 6pm | 5:30pm |
| 7pm | 6:30pm |
| 8pm | 7:30pm |
| 9pm | 8:30pm |
| 10pm | 9:30pm |
| 11pm | 10:30pm |