BDST to United Kingdom
-5hBDST
BDSTSOURCEUnited Kingdom
BSTGreen rows indicate typical business hours (9 AM - 5 PM)
BDST and BST on the World Map
The map below highlights the BDST (Bangladesh Standard Time) and BST (Greenwich Mean Time) timezone regions across the globe.
BDST – Bangladesh Standard Time
UTC+06:00Bangladesh Standard Time (BDST, UTC+06:00) is the time zone for Bangladesh, 6 hours ahead of UTC.
- •Bangladesh uses a single time zone, UTC+06:00, across the entire country.
- •Bangladesh does not observe daylight saving time, so the offset is fixed all year.
- •Dhaka is one of the most densely populated cities globally.
- •BDST is written here to distinguish it from British Summer Time (BST).
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
Everything You Need to Know About BDST and United Kingdom Time
BDST runs on Bangladesh Standard Time (BDST) at UTC+06:00. United Kingdom runs on British Summer Time (BST) at UTC+01:00, also currently on daylight saving time. That puts BDST 5 hours behind United Kingdom — a difference of -5h at the current offsets.
In practice, when it is 9:00 AM in BDST it is 4:00 AM in United Kingdom. Midnight in BDST is 7:00 PM in United Kingdom.United Kingdom observes daylight saving time while BDST does not, so the gap narrows or widens by an hour part of the year.
BDST to United Kingdom time conversion table
| BDST (BDST) | United Kingdom (BST) | Day |
|---|---|---|
| 12:00 AM | 7:00 PM | previous day |
| 6:00 AM | 1:00 AM | same day |
| 7:00 AM | 2:00 AM | same day |
| 8:00 AM | 3:00 AM | same day |
| 9:00 AM | 4:00 AM | same day |
| 12:00 PM | 7:00 AM | same day |
| 3:00 PM | 10:00 AM | same day |
| 5:00 PM | 12:00 PM | same day |
| 6:00 PM | 1:00 PM | same day |
| 9:00 PM | 4:00 PM | same day |
Why people convert BDST to United Kingdom time
- Scheduling a call from BDST to United Kingdom: a 10:00 AM start in BDST lands at 5:00 AM in United Kingdom, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both BDST and United Kingdom are inside the 9-to-5 working day between 2:00 PM and 5:00 PM BDST time (9:00 AM–12:00 PM BST). That is roughly 3 hours of usable overlap.
- Coordinating a BDST-based team with United Kingdom contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM BDST" is unambiguous; "3 PM" across a -5h gap is not.
- Block 2:00 PM–5:00 PM BDST as the recurring meeting window if you work primarily from BDST and need United Kingdom colleagues present.
- United Kingdom: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
About BDST (Bangladesh Standard Time)
Bangladesh Standard Time (BDST) is the single time zone used across Bangladesh, fixed at UTC+06:00 all year. Bangladesh has not observed daylight saving time since a short-lived experiment in 2009, so the gap between Bangladesh and every other zone is constant. Dhaka, the capital, is one of the most densely populated cities in the world. Because the country sits close to the middle of the UTC+06:00 band, solar noon is near 12:00 for most of the year. BDST is listed separately from British Summer Time, which shares the BST abbreviation but is UTC+01:00.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
Best time to call between BDST and United Kingdom
Both BDST and United Kingdom sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM BDST, which is 9:00 AM–12:00 PM BST. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
BDST and United Kingdom overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
BDST is 5 hours behind United Kingdom (BDST UTC+06:00 → BST UTC+01:00). The shared working window is 2:00 PM–5:00 PM BDST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
BDST
Does not observe DST
United Kingdom
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between BDST and United Kingdom?
BDST (BDST, UTC+06:00) is 5 hours behind United Kingdom (BST, UTC+01:00). The gap is currently -5h.
How do I convert BDST time to United Kingdom time?
Add -5h to BDST local time. For example, 9:00 AM in BDST is 4:00 AM in United Kingdom.
What time is it in United Kingdom right now?
United Kingdom uses BST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h offset from BDST.
What is the best time to call United Kingdom from BDST?
Call between 2:00 PM and 5:00 PM BDST — that maps to 9:00 AM–12:00 PM BST and keeps both parties inside the working day.
Which is behind, BDST or United Kingdom?
BDST is 5 hours behind United Kingdom. When it is 12:00 PM in BDST it is 7:00 AM in United Kingdom.
Do BDST and United Kingdom use different time zones?
BDST uses BDST at UTC+06:00, while United Kingdom (United Kingdom) uses BST at UTC+01:00. The IANA identifiers are Asia/Dhaka and Europe/London.
Does daylight saving time affect the BDST–United Kingdom difference?
Yes at the moment: United Kingdom is on daylight saving time and BDST is not, so the -5h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share BDST's time zone?
BDST also covers Dhaka, Chittagong, Khulna, Rajshahi, Sylhet.
Which countries use BDST, BDST's zone?
BDST is used in Bangladesh.
Is there a day difference between BDST and United Kingdom?
Not normally. The -5h gap only pushes the date over the previous day.
What is the time difference between BDST and United Kingdom?
United Kingdom is -5h from BDST.
What timezone is BDST in?
BDST operates on its local timezone.
What timezone is United Kingdom in?
United Kingdom operates on its local timezone.
Which countries use BDST (Bangladesh Standard Time)?
BDST is used in Bangladesh.
Does BDST observe daylight saving time?
No, BDST does not observe daylight saving time and remains at UTC+06:00 year-round.
What are some interesting facts about BDST?
Bangladesh uses a single time zone, UTC+06:00, across the entire country. Bangladesh does not observe daylight saving time, so the offset is fixed all year.
Which cities are in the GMT timezone?
Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.
What is the UTC offset for GMT?
Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.
What should I know about the GMT timezone?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
When is it midnight in BDST, what time is it in United Kingdom?
When it is 12:00 AM (midnight) in BDST (BDST), it is -5h later in United Kingdom (GMT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More BDST time conversions
- bdst to dhaka
- bdst to bangladesh
- bdst to new york
- bdst to london
- bdst to dubai
- bdst to tokyo
- bdst to singapore
- bdst to sydney
- bdst to los angeles
- bdst to paris
- bdst to delhi
- bdst to mumbai
- bdst to berlin
- bdst to hong kong
- bdst to toronto
- bdst to kathmandu
- new york to bdst
- london to bdst
- dubai to bdst
- tokyo to bdst
- singapore to bdst
- sydney to bdst
- los angeles to bdst
- paris to bdst
- delhi to bdst
- mumbai to bdst
- berlin to bdst
- hong kong to bdst
- toronto to bdst
- kathmandu to bdst
See every conversion from BDST →·See every conversion from United Kingdom →