Time zone · Asia
AST
Azerbaijan Standard Time
Azerbaijan Standard Time (AST) is a single, stable time zone set firmly at UTC+04:00 in Baku, Azerbaijan—no daylight saving changes to worry about, making it easy to plan across Central Asia and the Caucasus.
Saturday, June 6, 2026
Current offset
UTC+04:00
Standard · +04
Daylight saving
Not observed
Year-round standard time
IANA zones
1
None observe daylight saving
DST offset
—
No summer variant
About AST
A fixed, year-round offset.
Azerbaijan Standard Time (AST) is a single, stable time zone set firmly at UTC+04:00 in Baku, Azerbaijan—no daylight saving changes to worry about, making it easy to plan across Central Asia and the Caucasus.
IANA zones · the technical identifiers
The zone that resolve to AST.
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 AST
The same hour, city by city.
1 city · all UTC+04:00
Where AST is used
One country.
Same offset · UTC+04:00
Other zones at UTC+04:00 right now.
These named zones share AST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Frequently asked questions
Common questions about AST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Does Azerbaijan observe daylight saving time?
- No, Azerbaijan does not observe daylight saving time. The clock in Baku stays at UTC+04:00 all year.
- When did Azerbaijan last change its time zone?
- Azerbaijan stopped observing daylight saving time and fixed its clocks at UTC+04:00 from 25 October 2015.
- Is AST the same as Azerbaijan's current local time?
- Yes, since Baku is the only representative zone, AST directly matches the local time in Azerbaijan.
- How many countries use Azerbaijan Standard Time?
- Only Azerbaijan uses AST; there is just one official member zone: Asia/Baku.
- What region does AST belong to?
- AST covers the South Caucasus, placing it in the same time zone as Dubai and some other post-Soviet states.
Free · Developer API
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