IST to BST Asia
Quick answers
IST is 30 minutes behind BST. IST uses GMT +5:30, and BST uses GMT +6 for this comparison.
For example, 5:30 pm IST is 6:00 pm BST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 9am-4:30pm IST, which is 9:30am-5pm BST.
Compare IST time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 0 hours and 30 minutes behind Bangladesh Standard Time
5:30 pm17:30 in IST is 6:00 pm18:00 in BST
IST to BST call time
Best time for a conference call or a meeting is between 9am-4:30pm in IST which corresponds to 9:30am-5pm in BST
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
6:00 pm18:00 Bangladesh Standard Time (BST). Offset UTC +6:00 hours
5:30 pm17:30 IST / 6:00 pm18:00 BST
| IST | BST |
|---|---|
| 12am (midnight) | 12:30 am |
| 1am | 1:30 am |
| 2am | 2:30 am |
| 3am | 3:30 am |
| 4am | 4:30 am |
| 5am | 5:30 am |
| 6am | 6:30 am |
| 7am | 7:30 am |
| 8am | 8:30 am |
| 9am | 9:30 am |
| 10am | 10:30 am |
| 11am | 11:30 am |
| 12pm (noon) | 12:30 pm |
| 1pm | 1:30 pm |
| 2pm | 2:30 pm |
| 3pm | 3:30 pm |
| 4pm | 4:30 pm |
| 5pm | 5:30 pm |
| 6pm | 6:30 pm |
| 7pm | 7:30 pm |
| 8pm | 8:30 pm |
| 9pm | 9:30 pm |
| 10pm | 10:30 pm |
| 11pm | 11:30 pm |
| 00:00 | 00:30 |
| 01:00 | 01:30 |
| 02:00 | 02:30 |
| 03:00 | 03:30 |
| 04:00 | 04:30 |
| 05:00 | 05:30 |
| 06:00 | 06:30 |
| 07:00 | 07:30 |
| 08:00 | 08:30 |
| 09:00 | 09:30 |
| 10:00 | 10:30 |
| 11:00 | 11:30 |
| 12:00 | 12:30 |
| 13:00 | 13:30 |
| 14:00 | 14:30 |
| 15:00 | 15:30 |
| 16:00 | 16:30 |
| 17:00 | 17:30 |
| 18:00 | 18:30 |
| 19:00 | 19:30 |
| 20:00 | 20:30 |
| 21:00 | 21:30 |
| 22:00 | 22:30 |
| 23:00 | 23:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Bangladesh Standard Time
Offset: BST is 6 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Bangladesh
Principal Cities: The largest city in the BST time zone is Dhaka in Bangladesh, with about 10.357 million people. Other major cities in this time zone include Chittagong, Khulna, Rajshahi, Comilla.
Daylight Saving: Clocks in Bangladesh Standard Time (BST) do not change for daylight saving time, so BST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
BST representations, usage and related time zones
- +06 - basic short
- +0600 - basic
- +06:00 - extended
- +0600 - sign character (+) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the east of the zero meridian.
- Foxtrot - Military abbreviation for BST
- F - short form of 'Foxtrot'
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- ALMT - Alma-Ata Time
- BST - Bangladesh Standard Time
- BDT - Bangladesh Time
- BTT - Bhutan Time
- F - Foxtrot Time Zone
- IOT - Indian Chagos Time
- KGT - Kyrgyzstan Time
- OMST - Omsk Standard Time
- QYZT - Qyzylorda Time
- XJT - Xinjiang Time
- YEKST - Yekaterinburg Summer Time