RET to EST Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 pm19:00 RET (UTC+4), Nov 1, 2026 = 10:00 am10:00 EST (UTC-5), Nov 1, 2026
RET is 9 hours ahead of EST.
RET and EST (US winter time, UTC-5) examples
These examples always use RET (UTC+4) and EST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
RET is 9 hours ahead of EST.
EST is US Eastern winter time (early November to mid-March). The rest of the year New York uses EDT (UTC-4), one hour later. For Eastern Time that follows daylight saving time, use RET to ET. For daylight-time examples, use RET to EDT.
How the time difference changes
For most of the year, RET is 8 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, RET is 9 hours ahead of EST.
For most of the year, working hours of 9:00 am to 6:00 pm in RET correspond to 1:00 am to 10:00 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in RET correspond to 12:00 am to 9:00 am in EST.For most of the year, working hours of 09:00 to 18:00 in RET correspond to 01:00 to 10:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in RET correspond to 00:00 to 09:00 in EST.
Compare RET time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Reunion Time is 9 hours ahead of Eastern Standard Time.
7:00 pm19:00 in RET is 10:00 am10:00 in EST
RET to EST call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in RET which corresponds to 8:30am-9:30am08:30-09:30 in EST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
7:00 pm19:00 Reunion Time (RET). Offset UTC +4:00 hours
10:00 am10:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
7:00 pm19:00 RET / 10:00 am10:00 EST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| RET | EST |
|---|---|
| 4:00pm previous day EDT UTC-4 | |
| 5:00pm previous day EDT UTC-4 | |
| 6:00pm previous day EDT UTC-4 | |
| 7:00pm previous day EDT UTC-4 | |
| 8:00pm previous day EDT UTC-4 | |
| 9:00pm previous day EDT UTC-4 | |
| 10:00pm previous day EDT UTC-4 | |
| 11:00pm previous day EDT UTC-4 | |
| 12:00am EDT UTC-4 | |
| 1:00am EDT UTC-4 | |
| 1:00am | |
| 2:00am | |
| 3:00am | |
| 4:00am | |
| 5:00am | |
| 6:00am | |
| 7:00am | |
| 8:00am | |
| 9:00am | |
| 10:00am | |
| 11:00am | |
| 12:00pm | |
| 1:00pm | |
| 2:00pm | |
| 16:00 previous day EDT UTC-4 | |
| 17:00 previous day EDT UTC-4 | |
| 18:00 previous day EDT UTC-4 | |
| 19:00 previous day EDT UTC-4 | |
| 20:00 previous day EDT UTC-4 | |
| 21:00 previous day EDT UTC-4 | |
| 22:00 previous day EDT UTC-4 | |
| 23:00 previous day EDT UTC-4 | |
| 00:00 EDT UTC-4 | |
| 01:00 EDT UTC-4 | |
| 01:00 | |
| 02:00 | |
| 03:00 | |
| 04:00 | |
| 05:00 | |
| 06:00 | |
| 07:00 | |
| 08:00 | |
| 09:00 | |
| 10:00 | |
| 11:00 | |
| 12:00 | |
| 13:00 | |
| 14:00 |
Reunion Time
Offset: RET is 4 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Réunion
Principal Cities: The largest city in the RET time zone is Saint-Denis in Réunion, with about 154,765 people. Other major cities in this time zone include Saint-Paul, Saint-Pierre, Le Tampon, Saint-André.
Daylight Saving: Clocks in Reunion Time (RET) do not change for daylight saving time, so RET stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
RET representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
- Delta - Military abbreviation for RET
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today all shaded areas are on EST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone