Dhaka to CST
-12hDhaka
BDSTSOURCECST
CSTGreen rows indicate typical business hours (9 AM - 5 PM)
BDST and CST on the World Map
The map below highlights the BDST (Bangladesh Standard Time) and CST (Central 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).
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •CST covers 20 US states fully or partially.
- •Chicago and Houston are the two largest cities in the Central Time Zone.
- •Mexico City, one of the world's most populous cities, operates on CST.
- •CST is 1 hour behind EST and 2 hours ahead of PST.
About Dhaka
WikipediaDhaka operates on Bangladesh Standard Time (BST), UTC+6. As the world's second-largest garment hub, Dhaka time coordinates global fashion supply chains.
Bangladesh is the world's second-largest garment exporter after China.
Everything You Need to Know About Dhaka and CST Time
Dhaka runs on Bangladesh Standard Time (BDST) at UTC+06:00. CST runs on Central Standard Time (CST) at UTC-06:00. That puts Dhaka 12 hours behind CST — a difference of -12h at the current offsets.
In practice, when it is 9:00 AM in Dhaka it is 9:00 PM in CST on the previous day. Midnight in Dhaka is 12:00 PM in CST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Dhaka to CST time conversion table
| Dhaka (BDST) | CST (CST) | Day |
|---|---|---|
| 12:00 AM | 12:00 PM | previous day |
| 6:00 AM | 6:00 PM | previous day |
| 7:00 AM | 7:00 PM | previous day |
| 8:00 AM | 8:00 PM | previous day |
| 9:00 AM | 9:00 PM | previous day |
| 12:00 PM | 12:00 AM | same day |
| 3:00 PM | 3:00 AM | same day |
| 5:00 PM | 5:00 AM | same day |
| 6:00 PM | 6:00 AM | same day |
| 9:00 PM | 9:00 AM | same day |
Why people convert Dhaka to CST time
- Scheduling a call from Dhaka to CST: a 10:00 AM start in Dhaka lands at 10:00 PM in CST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -12h gap: Dhaka and CST 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 CST is 9:00 PM in Dhaka.
- Coordinating a Dhaka-based team with CST 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 -12h gap is not.
- With a -12h gap there is no shared 9-to-5 window, so alternate the early start: one week Dhaka takes the early slot, the next week CST 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 CST (Central Standard Time)
Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.
Best time to call between Dhaka and CST
With a -12h offset there is no overlap inside a normal 9 AM – 5 PM day. CST opens at 9:00 AM CST, which is 9:00 PM in Dhaka, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Dhaka and CST have no shared working hours because of the -12h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Dhaka is 12 hours behind CST (BDST UTC+06:00 → CST UTC-06:00). 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
Dhaka
Does not observe DST
CST
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
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 Dhaka and CST?
Dhaka (BDST, UTC+06:00) is 12 hours behind CST (CST, UTC-06:00). The gap is currently -12h.
How do I convert Dhaka time to CST time?
Add -12h to Dhaka local time. For example, 9:00 AM in Dhaka is 9:00 PM in CST (previous day).
What time is it in CST right now?
CST uses CST at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -12h offset from Dhaka.
What is the best time to call CST from Dhaka?
There is no shared working-hours window because of the -12h gap. The closest option is 1:00 PM in Dhaka, which is 1:00 AM in CST.
Which is behind, Dhaka or CST?
Dhaka is 12 hours behind CST. When it is 12:00 PM in Dhaka it is 12:00 AM in CST.
Do Dhaka and CST use different time zones?
Dhaka (Bangladesh) uses BDST at UTC+06:00, while CST uses CST at UTC-06:00. The IANA identifiers are Asia/Dhaka and America/Chicago.
Does daylight saving time affect the Dhaka–CST difference?
Neither zone observes daylight saving time, so the -12h offset between Dhaka and CST is fixed all year.
Which other cities share Dhaka's time zone?
BDST also covers Dhaka, Chittagong, Khulna, Rajshahi, Sylhet.
Which countries use BDST, Dhaka's zone?
BDST is used in Bangladesh.
Is there a day difference between Dhaka and CST?
Sometimes. The -12h gap is large enough that 8:00 PM or later in Dhaka already falls on the in CST.
What is the time difference between Dhaka and CST?
CST is -12h from Dhaka.
What timezone is Dhaka in?
Dhaka operates on Bangladesh Standard Time (BST), UTC+6. As the world's second-largest garment hub, Dhaka time coordinates global fashion supply chains.
What timezone is CST in?
CST operates on its local timezone.
What are the business hours in Dhaka?
Standard business hours in Dhaka are 9:00 AM - 5:00 PM BST.
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 CST timezone?
Major cities in the CST timezone include Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis.
What is the UTC offset for CST?
Central Standard Time (CST) is at UTC-06:00. During daylight saving time, it shifts to CDT.
What should I know about the CST timezone?
CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.
When is it midnight in Dhaka, what time is it in CST?
When it is 12:00 AM (midnight) in Dhaka (BDST), it is -12h later in CST (CST).
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