RET to IST Converter
Quick answers
RET is 1 hour and 30 minutes behind IST. RET uses GMT +4, and IST uses GMT +5:30 for this comparison.
For example, 4:00 pm RET is 5:30 pm IST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 9am-3:30pm RET, which is 10:30am-5pm IST.
Compare RET time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Reunion Time is 1 hour and 30 minutes behind India Standard Time
4:00 pm16:00 in RET is 5:30 pm17:30 in IST
RET to IST call time
Best time for a conference call or a meeting is between 9am-3:30pm in RET which corresponds to 10:30am-5pm in IST
4:00 pm16:00 Reunion Time (RET). Offset UTC +4:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 pm16:00 RET / 5:30 pm17:30 IST
| RET | IST |
|---|---|
| 12am (midnight) | 1:30 am |
| 1am | 2:30 am |
| 2am | 3:30 am |
| 3am | 4:30 am |
| 4am | 5:30 am |
| 5am | 6:30 am |
| 6am | 7:30 am |
| 7am | 8:30 am |
| 8am | 9:30 am |
| 9am | 10:30 am |
| 10am | 11:30 am |
| 11am | 12:30 pm |
| 12pm (noon) | 1:30 pm |
| 1pm | 2:30 pm |
| 2pm | 3:30 pm |
| 3pm | 4:30 pm |
| 4pm | 5:30 pm |
| 5pm | 6:30 pm |
| 6pm | 7:30 pm |
| 7pm | 8:30 pm |
| 8pm | 9:30 pm |
| 9pm | 10:30 pm |
| 10pm | 11:30 pm |
| 11pm | 12:30 am |
| 00:00 | 01:30 |
| 01:00 | 02:30 |
| 02:00 | 03:30 |
| 03:00 | 04:30 |
| 04:00 | 05:30 |
| 05:00 | 06:30 |
| 06:00 | 07:30 |
| 07:00 | 08:30 |
| 08:00 | 09:30 |
| 09:00 | 10:30 |
| 10:00 | 11:30 |
| 11:00 | 12:30 |
| 12:00 | 13:30 |
| 13:00 | 14:30 |
| 14:00 | 15:30 |
| 15:00 | 16:30 |
| 16:00 | 17:30 |
| 17:00 | 18:30 |
| 18:00 | 19:30 |
| 19:00 | 20:30 |
| 20:00 | 21:30 |
| 21:00 | 22:30 |
| 22:00 | 23:30 |
| 23:00 | 00:30 |
Reunion Time
Offset: RET is 4 hours ahead Greenwich Mean Time (GMT) and is used in Africa
Countries using this time zone: Réunion
Principal Cities: The largest city in the RET time zone is Saint Denis in Reunion, with about 137,195 people. Other major cities in this time zone include Saint Paul, Saint Pierre, Le Tampon, Saint Andre.
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.
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
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2