Time zone · Asia
UST
Uzbekistan Standard Time
Uzbekistan Standard Time (UST) is UTC+05:00, used across all of Uzbekistan, including Tashkent and Samarkand. The country has not observed daylight saving time since 1991, so the offset stays the same all year.
Thursday, October 15, 2026
Current offset
UTC+05:00
Standard · +05
Daylight saving
Not observed
Year-round standard time
IANA zones
2
None observe daylight saving
DST offset
—
No summer variant
About UST
A fixed, year-round offset.
Uzbekistan Standard Time (UST) is UTC+05:00, used across all of Uzbekistan, including Tashkent and Samarkand. The country has not observed daylight saving time since 1991, so the offset stays the same all year.
IANA zones · the technical identifiers
The 2 zones that resolve to UST.
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 across UST
Local time, city by city.
4 cities
Where UST is used
One country.
Same offset · UTC+05:00
Other zones at UTC+05:00 right now.
These named zones share UST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
UST to the world's clocks.
Frequently asked questions
Common questions about UST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Is the entire country locked to one clock?
- Yes. All of Uzbekistan, including Tashkent and Samarkand, uses UTC+05:00.
- Why is the time labeled as “+05”?
- “+05” is the numeric abbreviation many phones and computers show for Uzbekistan; it simply means five hours ahead of UTC. Uzbekistan has used UTC+05:00 since its last clock change in September 1991.
Source: IANA tzdb2026d · Reviewed
Free · Developer API
This time zone, as JSON.
Its defining offset, DST status and member counts, from one endpoint.
Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.
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