BDST to AKST
-15hBDST
BDSTSOURCEAKST
AKSTGreen rows indicate typical business hours (9 AM - 5 PM)
BDST and AKST on the World Map
The map below highlights the BDST (Bangladesh Standard Time) and AKST (Alaska Standard 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).
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •Alaska is the largest US state by area but has only about 730,000 residents.
- •Anchorage is the most populous city in AKST with about 290,000 people.
- •The Aleutian Islands use HAST instead of AKST.
Understanding the -15h Gap: BDST vs AKST
BDST runs on Bangladesh Standard Time (BDST) at UTC+06:00. AKST runs on Alaska Standard Time (AKST) at UTC-09:00. That puts BDST 15 hours behind AKST — a difference of -15h at the current offsets.
In practice, when it is 9:00 AM in BDST it is 6:00 PM in AKST on the previous day. Midnight in BDST is 9:00 AM in AKST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
BDST to AKST time conversion table
| BDST (BDST) | AKST (AKST) | Day |
|---|---|---|
| 12:00 AM | 9:00 AM | previous day |
| 6:00 AM | 3:00 PM | previous day |
| 7:00 AM | 4:00 PM | previous day |
| 8:00 AM | 5:00 PM | previous day |
| 9:00 AM | 6:00 PM | previous day |
| 12:00 PM | 9:00 PM | previous day |
| 3:00 PM | 12:00 AM | same day |
| 5:00 PM | 2:00 AM | same day |
| 6:00 PM | 3:00 AM | same day |
| 9:00 PM | 6:00 AM | same day |
Why people convert BDST to AKST time
- Scheduling a call from BDST to AKST: a 10:00 AM start in BDST lands at 7:00 PM in AKST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -15h gap: BDST and AKST have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in AKST is 6:00 PM in BDST.
- Booking travel or deliveries: tracking AKST local time against BDST keeps pickup windows and arrival estimates honest across the -15h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM BDST" is unambiguous; "3 PM" across a -15h gap is not.
- With a -15h gap there is no shared 9-to-5 window, so alternate the early start: one week BDST takes the early slot, the next week AKST does.
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 AKST (Alaska Standard Time)
Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).
Best time to call between BDST and AKST
With a -15h offset there is no overlap inside a normal 9 AM – 5 PM day. AKST opens at 9:00 AM AKST, which is 6:00 PM in BDST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
BDST and AKST have no shared working hours because of the -15h gap. Teams need to alternate early starts or rely on asynchronous handovers.
BDST is 15 hours behind AKST (BDST UTC+06:00 → AKST UTC-09:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
BDST
Does not observe DST
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 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 AKST?
BDST (BDST, UTC+06:00) is 15 hours behind AKST (AKST, UTC-09:00). The gap is currently -15h.
How do I convert BDST time to AKST time?
Add -15h to BDST local time. For example, 9:00 AM in BDST is 6:00 PM in AKST (previous day).
What time is it in AKST right now?
AKST uses AKST at UTC-09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -15h offset from BDST.
What is the best time to call AKST from BDST?
There is no shared working-hours window because of the -15h gap. The closest option is 1:00 PM in BDST, which is 10:00 PM in AKST.
Which is behind, BDST or AKST?
BDST is 15 hours behind AKST. When it is 12:00 PM in BDST it is 9:00 PM in AKST.
Does daylight saving time affect the BDST–AKST difference?
Neither zone observes daylight saving time, so the -15h offset between BDST and AKST is fixed all year.
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 AKST?
Sometimes. The -15h gap is large enough that 8:00 PM or later in BDST already falls on the in AKST.
What is the time difference between BDST and AKST?
AKST is -15h from BDST.
What timezone is BDST in?
BDST operates on its local timezone.
What timezone is AKST in?
AKST 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 AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
Alaska is the largest US state by area but has only about 730,000 residents. Anchorage is the most populous city in AKST with about 290,000 people.
When is it midnight in BDST, what time is it in AKST?
When it is 12:00 AM (midnight) in BDST (BDST), it is -15h later in AKST (AKST).
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See every conversion from BDST →·See every conversion from AKST →