Asia · Southern Asia · Sovereign state
Current time in Bangladesh
A single time zone at UTC+06:00.
Sunday, May 31, 2026
About Bangladesh's time
A single time zone.
Bangladesh uses a single time zone, UTC+06:00, year-round—no daylight saving time, no complications.
Major cities
Cities of Bangladesh.
History
How Bangladesh keeps time.
Bangladesh adopted its current time standard after gaining independence in 1971, choosing UTC+06:00 as its national offset. Before that, during British colonial rule, the region followed Calcutta Time (UTC+5:53:20) and later Indian Standard Time (UTC+5:30). After independence, the new nation aligned itself with the global-hour offset of UTC+06, which better matched its geographic position and neighboring countries like Bhutan. The government has not implemented daylight saving time, maintaining a consistent offset year-round—a practical choice for a densely populated country where administrative simplicity supports reliable scheduling across regions.
Prior to 1947, when the Indian subcontinent was under British rule, local times varied by city, but standardization efforts led by the British Raj eventually brought uniformity. The shift from fractional-hour offsets (like Calcutta Time) to clean hourly offsets reflected broader global trends toward simplified timekeeping. Bangladesh’s choice of UTC+06:00 also placed it in sync with much of Central Asia and parts of Southeast Asia, aiding regional coordination, especially in trade and transportation with India, though it notably differs from India’s UTC+5:30.
Did you know?
Things about Bangladesh's time.
Despite spanning about 8 degrees of longitude—enough to warrant two time zones—Bangladesh uses just one, meaning sunrise and sunset times vary significantly across the country. In the far west (e.g., Rajshahi), the sun rises roughly 45 minutes earlier than in the east (e.g., Chittagong), leading to noticeable differences in daily routines, especially during Ramadan when fasting hours are tied to daylight.
The decision to maintain UTC+06:00 aligns Bangladesh with countries like Bhutan and Myanmar but puts it out of sync with neighboring India (UTC+5:30), creating a 30-minute difference at the border. This can cause minor confusion for cross-border travelers and businesses. Still, the single-zone approach keeps national scheduling straightforward in a country where logistics and governance benefit from uniformity.
Interestingly, despite being near the Tropics and experiencing minimal seasonal daylight variation, Bangladesh has never experimented with daylight saving time—a common practice in temperate zones but largely unnecessary in equatorial and subtropical regions where day length remains relatively stable throughout the year.
Frequently asked questions
Common questions about Bangladesh's time zone, daylight saving rules, and how to handle it in software. Can't find what you need? Email [email protected].
- Does Bangladesh observe daylight saving time?
- No, Bangladesh does not observe daylight saving time. It remains on UTC+06:00 throughout the year, making planning consistent without seasonal clock changes.
- What is the reason for Bangladesh using UTC+06:00 instead of following India’s UTC+5:30?
- After independence in 1971, Bangladesh chose UTC+06:00 to better match its geographic position and for administrative clarity, even though it borders India, which uses UTC+5:30. The difference creates a 30-minute gap at the border but simplifies internal coordination.
- Are there different time zones within Bangladesh?
- No, Bangladesh has only one official time zone: UTC+06:00. Despite its east-west expanse, the entire country follows the same time, including cities like Dhaka, Chittagong, and Rajshahi.
- How does the single time zone affect daily life in Bangladesh?
- Because Bangladesh spans a wide longitude but uses one time zone, sunrise and sunset times differ noticeably between the east and west. This affects routines—especially during Ramadan, when fasting starts and ends at different local solar times across the country.
- When did Bangladesh adopt UTC+06:00?
- Bangladesh formally adopted UTC+06:00 after gaining independence in 1971, moving away from the Indian Standard Time (UTC+5:30) used during the pre-partition and post-independence transition period under British influence.
- What was Bangladesh’s time zone before independence?
- Before 1971, the region that is now Bangladesh followed Indian Standard Time (UTC+5:30), and earlier during British rule, it used Calcutta Time (UTC+5:53:20), which was specific to eastern parts of the subcontinent.
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