Time zone · Europe

YST

Yakutsk Standard Time

Yakutsk Standard Time covers three zones in Russia, all locked at UTC+09:00 with no daylight saving changes since 2016. If you are working with colleagues across this region, expect the same simple offset all year.

UTC+09:00 standard3 IANA zones
Current time in YST☾ Night
05:03:31

Saturday, June 6, 2026

☾ NIGHT 06:00noon18:00
Standard
+09 · +9
IANA zones
3

Current offset

UTC+09:00

Standard · +09

Daylight saving

Not observed

Year-round standard time

IANA zones

3

None observe daylight saving

DST offset

—

No summer variant

About YST

A fixed, year-round offset.

Yakutsk Standard Time covers three zones in Russia, all locked at UTC+09:00 with no daylight saving changes since 2016. If you are working with colleagues across this region, expect the same simple offset all year.

IANA zones · the technical identifiers

The 3 zones that resolve to YST.

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/ChitaChita— None
Asia/KhandygaKhandyga— None
Asia/YakutskYakutsk— None

Where YST is used

One country.

Russia
YST · UTC+09:00

Same offset · UTC+09:00

Other zones at UTC+09:00 right now.

These named zones share YST's offset today. When daylight saving rules differ, they drift apart for part of the year.

ETTUTC+9
--:--
East Timor Time
Asia— No DST
Timor-Leste
WITUTC+9
--:--
Eastern Indonesia Time
Asia— No DST
Indonesia
JSTUTC+9
--:--
Japan Standard Time
Asia— No DST
Japan
KSTUTC+9
--:--
Korean Standard Time
Asia— No DST
North KoreaSouth Korea
PALAUTUTC+9
--:--
Palau Time
Oceania— No DST
Palau

Frequently asked questions

Common questions about YST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].

What countries use Yakutsk Standard Time?
Currently, all three member zones — Chita, Khandyga, and Yakutsk — are located in Russia.
Does YST ever observe daylight saving time?
No. None of the YST member zones observe daylight saving time, and there are no future transitions.
When did YST freeze at UTC+09:00?
Since March 27, 2016, all member zones have held a permanent offset of UTC+09:00.
Why did YST stop observing daylight saving time?
In 2016 Russia moved several far eastern zones to a permanent offset, simplifying scheduling and avoiding seasonal clock shifts.
Is Yakutsk Time the same in Chita and Khandyga?
Yes. All three zones share the same offset and do not observe daylight saving time.
How do I sync schedules with YST?
Use UTC+09:00 as a fixed offset all year — no daylight saving adjustments are needed.

Free · Developer API

Time, as JSON.

Every IANA time zone with live offsets, DST status, and the countries and cities that use them — clean, dependable JSON. Sign up free and get an API key in seconds.

GET /v1/timezones Live

countries, cities, convert, DST transitions coming next.

Get your free API key →
// France's time zones, right now
GET /v1/timezones?country=fr
{
"data": [
{
"iana": "Europe/Paris",
"display_name": "Paris",
"current": {
"utc_offset": "+02:00",
"abbreviation": "CEST",
"is_dst": true
}
}
]
}