What is the time difference between COT and BDT?

Bangladesh Standard Time (BDT) is 11 hours ahead of Colombia Time (COT). COT uses a UTC offset of UTC-5, while BDT uses UTC+6. For example, when it's 9:00 AM in COT, it's 8:00 PM in BDT. This difference remains constant year-round since neither timezone observes daylight saving time. Use the conversion table above to see the exact time for each hour of the day.

How do I convert COT to BDT?

To convert COT to BDT, add 11 hours to the COT time. For example, 9:00 AM COT is 8:00 PM BDT, and 5:00 PM COT is 4:00 AM BDT. Since neither timezone observes DST, this conversion stays the same all year. You can also use the interactive converter above for quick, accurate results.

What time is it in BDT when it's noon in COT?

When it's 12:00 PM (noon) in COT, it's 11:00 PM in BDT. This is because BDT is 11 hours ahead of COT. Similarly, when it's 6:00 PM in COT, it's 5:00 AM in BDT. This relationship is constant throughout the year. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours ahead is BDT from COT?

BDT is 11 hours ahead of COT. This means when it's 9:00 AM in COT, it's 8:00 PM in BDT, and when it's midnight in COT, it's 11:00 AM in BDT. This offset is constant throughout the year since neither timezone uses daylight saving time. The conversion table above provides a complete hour-by-hour mapping.

Is BDT ahead or behind COT?

BDT is ahead of COT by 11 hours. Clocks in BDT show a later time than COT, meaning the day starts earlier in BDT relative to COT. For example, when it's morning in COT, it's already afternoon or evening in BDT. This difference stays the same year-round.

Does COT observe daylight saving time?

No, Colombia Time does not observe daylight saving time. The UTC offset of UTC-5 remains the same year-round, which simplifies time conversions. Regions using COT keep their clocks unchanged regardless of the season.

Does BDT observe daylight saving time?

No, Bangladesh Standard Time does not observe daylight saving time. The UTC offset of UTC+6 remains the same year-round, which simplifies time conversions. Regions using BDT keep their clocks unchanged regardless of the season.

What is the best time to call from COT to BDT?

The best time for a call between COT and BDT is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in BDT during their work day, call between 10:00 PM and 6:00 AM your COT time. Avoid calling too early or late, as the 11 hours difference means your evening could be their late night. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

Do COT and BDT ever have the same time?

No, COT and BDT are always 11 hours apart and never display the same clock time simultaneously. Neither timezone observes DST, so the difference is constant year-round with no seasonal variation. The 11 hours offset is determined by their fixed positions relative to the Prime Meridian (UTC). You can always rely on this consistent difference when planning across these timezones.

COT to BDT Converter

Convert Colombia Time to Bangladesh Standard Time. See the hour-by-hour conversion table below.

Timezone Details

Bogota

10:14 PM

Thursday, April 2, 2026

Bogota (UTC-05:00)

Dhaka

9:14 AM

Friday, April 3, 2026

Dhaka (UTC+06:00)

Difference: +11 hours

24-Hour Overview

Bogota — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

Dhaka — 24-hour overview

11a11a

12p

2p2p

5p5p

8p8p

10p

11p11p

12a

2a2a

5a5a

8a8a

10a

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

BDT to COT

Cities in These Timezones

COT Cities

Bogotá Medellín Cali

BDT Cities

Dhaka Chittagong

More Tools

Compare COT & BDT Plan a Meeting (COT & BDT)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

IANA Time Zone Database