RET — Reunion Time
See what RET means, where it is used, and how to compare or convert Reunion Time with other time zones worldwide.
Meaning and usage
RET stands for Reunion Time and has a standard offset of UTC+4. It is used on Réunion year-round as the local civil time.
No daylight saving
Reunion Time does not observe daylight saving time, so RET stays at UTC+4 throughout the year. Clocks do not shift seasonally.
Convert other time zones
Compare RET with other zones using the visual time grid and hour-by-hour table. Export meetings with ICS download or add them to Google Calendar and Gmail.
How to Convert RET to Other Time Zones
Open the RET converter page: Go to https://www.xconvert.com/time-converter/ret-time-zone to open the visual comparison grid with RET pre-loaded. This layout is useful when you need to line up working hours across regions, such as scheduling a supplier call, planning remote support coverage, or comparing UTC+4 business hours with teams in other markets.
Add comparison cities or time zones: Click + Add City and search for the places you want to compare against RET. Good comparisons often include major finance, logistics, or outsourcing hubs your team works with, and the grid lets you stack those rows directly under RET so you can see overlap hour by hour instead of estimating from memory.
Select a meeting window on the grid: Click Select to enter selection mode, then drag across the RET row to highlight a time range in purple; use the left and right handles to resize it, or drag the center to move the whole block. This is especially practical for remote team coordination because the colored slots show whether your chosen RET time falls into another location’s workday, evening, or night before you send an invite.
Export and share the result: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. That makes it easy to send a confirmed RET meeting window to clients, operations teams, or distributed colleagues so everyone receives the event in their own local time without redoing the conversion manually.
About Reunion Time (RET)
RET stands for Reunion Time. Its standard offset is UTC+4, which means local time in RET is four hours ahead of Coordinated Universal Time.
RET does not observe daylight saving time and has no counterpart, so the abbreviation remains the same throughout the year. That consistency is useful for recurring coordination because the base time zone itself does not switch seasonally.
Other abbreviations that share the same UTC+4 offset include ADT, AMT, AZT, D, GET, GST, KUYT, MSD, MUT, SAMT, and SCT. Matching offsets can help when comparing schedules, but identical UTC offsets do not automatically mean the same naming convention or seasonal rules in every location.
RET and Daylight Saving Time
RET does not observe DST. It stays on UTC+4 year-round, so there is no seasonal clock change, no switch to a summer or winter counterpart, and no annual transition dates to track.
For businesses and travelers, that means RET-based scheduling is stable across the calendar. If you are setting recurring calls, shift handovers, or service windows anchored to RET, the RET side of the schedule stays fixed even when other time zones move forward or back for daylight saving time.
Frequently Asked Questions
What does RET stand for?
RET stands for Reunion Time. It is the time zone abbreviation used for a fixed UTC+4 offset.
What is the UTC offset for RET?
RET is UTC+4. In practical terms, that means RET is four hours ahead of UTC at all times of the year.
Is RET the same as GMT?
No. RET is UTC+4, while GMT refers to UTC+0, so RET is four hours ahead of GMT. If it is 12:00 in GMT, the corresponding time in RET is 16:00.
Does RET observe daylight saving time?
No, RET does not observe daylight saving time. It has no counterpart, so there is no seasonal switch to another abbreviation and no clock changes during the year.
When does RET change?
RET does not change during the year. Because it stays on UTC+4 continuously, there are no DST start dates, end dates, or annual adjustment periods to remember.
Which cities use RET?
Specific principal cities are not listed here, so the most reliable identifier is the abbreviation itself: Reunion Time (RET) at UTC+4. When using a converter, selecting RET directly is the clearest way to compare it with other time zones.
Is RET the same as other UTC+4 abbreviations?
RET shares the same UTC+4 offset as ADT, AMT, AZT, D, GET, GST, KUYT, MSD, MUT, SAMT, and SCT. However, matching offsets do not necessarily mean the abbreviations are interchangeable in naming or regional usage, so it is still best to schedule using the exact zone label you intend.