Time zone · Asia
BDT
Brunei Darussalam Time
Brunei Darussalam Time (BDT, UTC+08:00) is the single national timezone for Brunei, used year‑round without daylight saving, making it simple for both local life and global coordination.
Sunday, May 31, 2026
Current offset
UTC+08:00
Standard · +08
Daylight saving
Not observed
Year-round standard time
IANA zones
1
None observe daylight saving
DST offset
—
No summer variant
About BDT
A fixed, year-round offset.
Brunei Darussalam Time (BDT, UTC+08:00) is the single national timezone for Brunei, used year‑round without daylight saving, making it simple for both local life and global coordination.
IANA zones · the technical identifiers
The zone that resolve to BDT.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities currently on BDT
The same hour, city by city.
1 city · all UTC+08:00
Where BDT is used
One country.
Same offset · UTC+08:00
Other zones at UTC+08:00 right now.
These named zones share BDT's offset today. When daylight saving rules differ, they drift apart for part of the year.
Frequently asked questions
Common questions about BDT, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Why does Brunei keep the same UTC offset all year?
- Brunei lies just north of the equator, with very little seasonal daylight variation, so there is no practical reason to change clocks.
- Do any other countries share UTC+08:00 without daylight saving?
- Yes, neighbors like China (CST), Malaysia (MYT/SGT), the Philippines (PHT) and Singapore (SGT) also use UTC+08:00 year‑round, giving the region a consistent daily rhythm.
- How does this affect meetings with Europe or the Americas?
- Because Brunei never shifts clocks, its time difference with places like London or New York is predictable; you only need to account for the overseas location’s own daylight saving rules.
- Is Brunei Darussalam Time the same as Indonesia Central Time?
- Yes, Brunei’s UTC+08:00 is the same wall clock as Indonesia Central Time (WITA), though the regions are politically separate.
- Why do navigation tools sometimes show different standard and current offsets?
- Some tools display a base offset field, but for Brunei both standard and current offsets are always UTC+08:00, because it never observes daylight saving.
- Does Brunei’s stable schedule simplify travel planning?
- Absolutely: on‑the‑ground departure and arrival times never move seasonally, so itineraries from Brunei to any UTC+08 country stay aligned year‑round.
Free · Developer API
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