Time zone · Africa

REUNIO

Réunion Time

Réunion Time is the single, stable clock shared by the French island of Réunion, sitting four hours ahead of UTC year-round. With no daylight saving shifts, +04 offers straightforward planning for residents and collaborators.

UTC+04:00 standard1 IANA zone1 city
Current time in REUNIO☾ Night
00:01:54

Saturday, June 6, 2026

☾ NIGHT 06:4912:1617:44
Standard
+04 · +4
IANA zones
1

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 REUNIO

A fixed, year-round offset.

Réunion Time is the single, stable clock shared by the French island of Réunion, sitting four hours ahead of UTC year-round. With no daylight saving shifts, +04 offers straightforward planning for residents and collaborators.

IANA zones · the technical identifiers

The zone that resolve to REUNIO.

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
Indian/ReunionReunion— None

Cities currently on REUNIO

The same hour, city by city.

1 city · all UTC+04:00

Saint-Denis
00:01
00:01:55 · +04
REUNIO year-round

Where REUNIO is used

One country.

Réunion
REUNIO · UTC+04:00

Same offset · UTC+04:00

Other zones at UTC+04:00 right now.

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

ASTUTC+4
--:--
Armenia Standard Time
Asia— No DST
Armenia
ASTRAKUTC+4
--:--
Astrakhan Time
Europe— No DST
Russia
ASTUTC+4
--:--
Azerbaijan Standard Time
Asia— No DST
Azerbaijan
GSTUTC+4
--:--
Georgia Standard Time
Asia— No DST
Georgia
GSTUTC+4
--:--
Gulf Standard Time
Asia— No DST
United Arab EmiratesOman
MSTUTC+4
--:--
Mauritius Standard Time
Africa— No DST
Mauritius
SSTUTC+4
--:--
Samara Standard Time
Europe— No DST
Russia
SARATOUTC+4
--:--
Saratov Time
Europe— No DST
Russia
SEYCHEUTC+4
--:--
Seychelles Time
Africa— No DST
Seychelles
ULYANOUTC+4
--:--
Ulyanovsk Time
Europe— No DST
Russia

Frequently asked questions

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

Is ‘Réunion Time’ an official IANA timezone code?
Yes – it covers the ‘Indian/Reunion’ zone, used for the entire territory.
Has Réunion ever observed daylight saving?
No – the island has always kept a fixed UTC+04:00 offset since records began.
When was the current offset established?
The +04:00 standard has been in effect since 1911, unchanged for over a century.
Are there any plans to introduce DST?
There are no current plans – the island relies on its permanent +04:00 time.
Which countries use REUNIO Time?
Only the French overseas department of Réunion uses this time zone.
What is the official abbreviation?
The abbreviation is +04, reflecting the constant four-hour lead over UTC.
How many zones share this region?
Just one – Indian/Reunion – encompassing all of Réunion’s clocks.
Why doesn’t the time ever change?
Tropical island status and minimal seasonal variation make daylight saving unnecessary.

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
}
}
]
}