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.

UTC+05:00 standard2 IANA zones4 cities
Current time in UST☾ Night
04:01:22

Thursday, October 15, 2026

☾ NIGHT 06:4112:1817:55
Standard
+05 · +5
IANA zones
2

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.

IANA zonePrimary cityDST
Asia/SamarkandSamarkand— None
Asia/TashkentTashkent— None

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.

Open the converter →

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.

GET /v1/abbreviations Live

Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.

Moving off WorldTimeAPI? Our drop-in replacement needs no key.

// UST, by slug (codes can be shared)
GET /v1/abbreviations/uzbekistan-standard-time
{
"data": {
"code": "UST",
"name": "Uzbekistan Standard Time",
"counts": { "timezones": 2, "countries": 1 },
…
}
}