Time zone · Asia
TST
Turkmenistan Standard Time
Turkmenistan Standard Time (TST) is used exclusively in Turkmenistan, centered on its capital, Ashgabat, and stays fixed at UTC+05:00 all year with no DST changes, making it simple to coordinate across the country and internationally.
Sunday, May 31, 2026
Current offset
UTC+05:00
Standard · +05
Daylight saving
Not observed
Year-round standard time
IANA zones
1
None observe daylight saving
DST offset
—
No summer variant
About TST
A fixed, year-round offset.
Turkmenistan Standard Time (TST) is used exclusively in Turkmenistan, centered on its capital, Ashgabat, and stays fixed at UTC+05:00 all year with no DST changes, making it simple to coordinate across the country and internationally.
IANA zones · the technical identifiers
The zone that resolve to TST.
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 TST
The same hour, city by city.
1 city · all UTC+05:00
Where TST is used
One country.
Same offset · UTC+05:00
Other zones at UTC+05:00 right now.
These named zones share TST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Frequently asked questions
Common questions about TST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- What does "Turkmenistan Standard Time (TST) cover?
- TST covers only Turkmenistan, with Ashgabat as its representative city. There are no other member zones.
- Does Turkmenistan observe daylight saving time?
- No. Turkmenistan does not observe daylight saving time, keeping its clocks constant at UTC+05:00 throughout the year.
- What is the abbreviation for Turkmenistan Standard Time?
- The abbreviation is +05, reflecting the UTC+05:00 offset.
- What is the current offset in Ashgabat?
- Ashgabat is currently at UTC+05:00, same as the standard offset with no DST in effect.
- How many member zones does TST include?
- TST includes only one member zone: Asia/Ashgabat.
- Does TST share its offset with other regions?
- Yes. Other countries and regions also use UTC+05:00, but TST is specific to Turkmenistan.
- When was the current offset last updated?
- The current offset has been in effect since May 30, 2021.
- How does the fixed offset benefit scheduling?
- With no DST and a year-round UTC+05:00 offset, scheduling with Turkmenistan remains consistent and predictable all year.
- What part of the world is TST associated with?
- TST is used in Central Asia, linking Turkmenistan to regional and global partners with a single, stable time reference.
Free · Developer API
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