C to RET 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
3:00 pm15:00 C (UTC+3), Nov 1, 2026 = 4:00 pm16:00 RET (UTC+4), Nov 1, 2026
C is 1 hour behind RET.
C and RET examples
These examples always use C (UTC+3) and RET (UTC+4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
C is 1 hour behind RET.
How the time difference changes
C is 1 hour behind RET year-round.
Working hours of 9:00 am to 6:00 pm in C correspond to 10:00 am to 7:00 pm in RET.Working hours of 09:00 to 18:00 in C correspond to 10:00 to 19:00 in RET.
Compare C time with RET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Charlie Time Zone is 1 hour behind Reunion Time.
3:00 pm15:00 in C is 4:00 pm16:00 in RET
C to RET call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in C which corresponds to 10am-6pm10:00-18:00 in RET
3:00 pm15:00 Charlie Time Zone (C). Offset UTC +3:00 hours
4:00 pm16:00 Reunion Time (RET). Offset UTC +4:00 hours
3:00 pm15:00 C / 4:00 pm16:00 RET
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.
| C | RET |
|---|---|
| 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 | |
| 3:00pm | |
| 4:00pm | |
| 5:00pm | |
| 6:00pm | |
| 7:00pm | |
| 8:00pm | |
| 9:00pm | |
| 10:00pm | |
| 11:00pm | |
| 12:00am next day | |
| 01:00 | |
| 02:00 | |
| 03:00 | |
| 04:00 | |
| 05:00 | |
| 06:00 | |
| 07:00 | |
| 08:00 | |
| 09:00 | |
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| 11:00 | |
| 12:00 | |
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| 18:00 | |
| 19:00 | |
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| 23:00 | |
| 00:00 next day |
Charlie Time Zone
Offset: C is 3 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Åland Islands, Antarctica, Bahrain, Belarus, Bulgaria, Comoros, Cyprus, Djibouti, Egypt, Eritrea, Estonia, Ethiopia, Finland, Greece, Iraq, Israel, Jordan, Kenya, Kuwait, Latvia, Lebanon, Lithuania, Madagascar, Mayotte, Moldova, Palestinian Territory, Qatar, Romania, Russia, Saudi Arabia, Somalia, Syria, Tanzania, Turkey, Uganda, Ukraine, Yemen
Principal Cities: The largest city in the C time zone is Istanbul in Turkey, with about 15.702 million people. Other major cities in this time zone include Moscow, Cairo, Baghdad, Dar es Salaam.
Daylight Saving: Some places on Charlie Time Zone (C) keep the same time all year, while others use C for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
C representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
- Charlie - Military abbreviation for C
- C - short form of 'Charlie'
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
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
