BST
Bangladesh Standard Time
GMT +6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BTT
Bhutan Time
GMT +6
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

BST and BTT use the same UTC offset for this comparison. BST uses GMT +6, and BTT uses GMT +6 for this comparison.

For example, 6:00 pm BST is 6:00 pm BTT. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9am-5pm BST, which is 9am-5pm BTT.

Compare BST time with BTT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Bangladesh Standard Time is 0 hours ahead of Bhutan Time
6:00 pm18:00 in BST is 6:00 pm18:00 in BTT

BST to BTT call time
Best time for a conference call or a meeting is between 9am-5pm in BST which corresponds to 9am-5pm in BTT

6:00 pm18:00 Bangladesh Standard Time (BST). Offset UTC +6:00 hours
6:00 pm18:00 Bhutan Time (BTT). Offset UTC +6:00 hours

6:00 pm18:00 BST / 6:00 pm18:00 BTT

BSTBTT
12am (midnight)12am (midnight)
1am1am
2am2am
3am3am
4am4am
5am5am
6am6am
7am7am
8am8am
9am9am
10am10am
11am11am
12pm (noon)12pm (noon)
1pm1pm
2pm2pm
3pm3pm
4pm4pm
5pm5pm
6pm6pm
7pm7pm
8pm8pm
9pm9pm
10pm10pm
11pm11pm
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00

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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +06 - basic short
  • +0600 - basic
  • +06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Foxtrot - Military abbreviation for BST
  • F - short form of 'Foxtrot'
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +6 offset:
  • 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

Bhutan Time

Offset: BTT is 6 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Bhutan

Principal Cities: The largest city in the BTT time zone is Thimphu in Bhutan, with about 98,676 people. Other major cities in this time zone include Punakha, Tsirang, Phuntsholing.

Daylight Saving: Clocks in Bhutan Time (BTT) do not change for daylight saving time, so BTT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

BTT Time Zone Geo Map
BTT timezone map

BTT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +06 - basic short
  • +0600 - basic
  • +06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Foxtrot - Military abbreviation for BTT
  • F - short form of 'Foxtrot'
Time zones with the GMT +6 offset:
  • 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