Time in BIOT and GYT
The time difference between British Indian Ocean Time (BIOT) and Guyana Time (GYT) is 10 hours. Guyana Time is 10 hours behind British Indian Ocean Time.
This means 9am BIOT is 11pm GYT (previous day) and 5pm BIOT is 7am GYT.
British Indian Ocean Time
- The current local time in BIOT is 4:33 am (July 19, 2026)
- BIOT time zone offset is UTC+06:00
Guyana Time
- The current local time in GYT is 2:33 am (July 19, 2026)
- GYT time zone offset is UTC-04:00
How to convert British Indian Ocean Time to Guyana Time?
Subtract 10 hours from British Indian Ocean Time to get Guyana Time.
Time in BIOT
00:00
Time in GYT
00:00
Use the slider above to convert British Indian Ocean Time to Guyana 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
| BIOT | GYT |
|---|---|
| 12am | 2pm |
| 1am | 3pm |
| 2am | 4pm |
| 3am | 5pm |
| 4am | 6pm |
| 5am | 7pm |
| 6am | 8pm |
| 7am | 9pm |
| 8am | 10pm |
| 9am | 11pm |
| 10am | 12am |
| 11am | 1am |
| 12pm | 2am |
| 1pm | 3am |
| 2pm | 4am |
| 3pm | 5am |
| 4pm | 6am |
| 5pm | 7am |
| 6pm | 8am |
| 7pm | 9am |
| 8pm | 10am |
| 9pm | 11am |
| 10pm | 12pm |
| 11pm | 1pm |