Time in GYT and BIOT
The time difference between Guyana Time (GYT) and British Indian Ocean Time (BIOT) is 10 hours. British Indian Ocean Time is 10 hours ahead of Guyana Time.
This means 9am GYT is 7pm BIOT and 5pm GYT is 3am BIOT (next day).
Guyana Time
- The current local time in GYT is 5:35 pm (July 18, 2026)
- GYT time zone offset is UTC-04:00
British Indian Ocean Time
- The current local time in BIOT is 7:35 pm (July 18, 2026)
- BIOT time zone offset is UTC+06:00
How to convert Guyana Time to British Indian Ocean Time?
Add 10 hours to Guyana Time to get British Indian Ocean Time.
Time in GYT
00:00
Time in BIOT
00:00
Use the slider above to convert Guyana Time to British Indian Ocean 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
| GYT | BIOT |
|---|---|
| 12am | 10am |
| 1am | 11am |
| 2am | 12pm |
| 3am | 1pm |
| 4am | 2pm |
| 5am | 3pm |
| 6am | 4pm |
| 7am | 5pm |
| 8am | 6pm |
| 9am | 7pm |
| 10am | 8pm |
| 11am | 9pm |
| 12pm | 10pm |
| 1pm | 11pm |
| 2pm | 12am |
| 3pm | 1am |
| 4pm | 2am |
| 5pm | 3am |
| 6pm | 4am |
| 7pm | 5am |
| 8pm | 6am |
| 9pm | 7am |
| 10pm | 8am |
| 11pm | 9am |