Time in BTT and SLST
The time difference between Bhutan Time (BTT) and Sri Lanka Standard Time (SLST) is 30 minutes. Sri Lanka Standard Time is 30 minutes behind Bhutan Time.
This means 9am BTT is 8:30am SLST and 5pm BTT is 4:30pm SLST.
Bhutan Time
- The current local time in BTT is 8:30 pm (July 18, 2026)
- BTT time zone offset is UTC+06:00
Sri Lanka Standard Time
- The current local time in SLST is 8:00 pm (July 18, 2026)
- SLST time zone offset is UTC+05:30
How to convert Bhutan Time to Sri Lanka Standard Time?
Subtract 30 minutes from Bhutan Time to get Sri Lanka Standard Time.
Time in BTT
00:00
Time in SLST
00:00
Use the slider above to convert Bhutan Time to Sri Lanka 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 | SLST |
|---|---|
| 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 |