Time zone · Africa
MST
Mauritius Standard Time
Mauritius Standard Time (MST) keeps things refreshingly simple at UTC+04:00 with no daylight saving changes, making scheduling across this tropical island and its international partners a breeze.
Thursday, October 15, 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 MST
A fixed, year-round offset.
Mauritius Standard Time (MST) keeps things refreshingly simple at UTC+04:00 with no daylight saving changes, making scheduling across this tropical island and its international partners a breeze.
IANA zones · the technical identifiers
The zone that resolve to MST.
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 MST
Local time, city by city.
1 city
Where MST is used
One country.
Same offset · UTC+04:00
Other zones at UTC+04:00 right now.
These named zones share MST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
MST to the world's clocks.
Frequently asked questions
Common questions about MST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Why doesn't Mauritius observe daylight saving time?
- Mauritius lies in the tropics, about 20° south of the equator, so day length varies less than at higher latitudes. It tried daylight saving time in 1982–83 and again in 2008–09 but did not keep it.
- What makes Mauritius Standard Time unique for business?
- With its stable year-round UTC+04:00 offset, Mauritius offers reliable scheduling across Africa, Asia, and Europe without worrying about seasonal time shifts.
- How does MST relate to other time zones?
- Mauritius Standard Time (UTC+04:00) aligns with countries like UAE and Seychelles, creating natural overlaps for business and travel in the Indian Ocean region.
- When was Mauritius Standard Time last updated?
- The current UTC+04:00 offset has been stable since March 2009, providing over 15 years of consistent timekeeping.
- Is Mauritius Standard Time used anywhere else?
- MST is exclusively used by Mauritius, making it a single-zone time standard unique to this Indian Ocean island nation.
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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