IST to R Converter
Time Difference
India Standard Time is 10 hours and 30 minutes ahead of Romeo Time Zone
8:00 am08:00 in IST is 9:30 pm21:30 in R
IST to R call time
Best time for a conference call or a meeting is between 6pm-8pm in IST which corresponds to 7:30am-9:30am in R
8:00 am08:00 India Standard Time (IST). Offset UTC +5:30 hours
9:30 pm21:30 Romeo Time Zone (R). Offset UTC -5:00 hours
8:00 am08:00 IST / 9:30 pm21:30 R
| IST | R |
|---|---|
| 12am (midnight) | 1:30 pm |
| 1am | 2:30 pm |
| 2am | 3:30 pm |
| 3am | 4:30 pm |
| 4am | 5:30 pm |
| 5am | 6:30 pm |
| 6am | 7:30 pm |
| 7am | 8:30 pm |
| 8am | 9:30 pm |
| 9am | 10:30 pm |
| 10am | 11:30 pm |
| 11am | 12:30 am |
| 12pm (noon) | 1:30 am |
| 1pm | 2:30 am |
| 2pm | 3:30 am |
| 3pm | 4:30 am |
| 4pm | 5:30 am |
| 5pm | 6:30 am |
| 6pm | 7:30 am |
| 7pm | 8:30 am |
| 8pm | 9:30 am |
| 9pm | 10:30 am |
| 10pm | 11:30 am |
| 11pm | 12:30 pm |
| 0:00 | 13:30 |
| 1:00 | 14:30 |
| 2:00 | 15:30 |
| 3:00 | 16:30 |
| 4:00 | 17:30 |
| 5:00 | 18:30 |
| 6:00 | 19:30 |
| 7:00 | 20:30 |
| 8:00 | 21:30 |
| 9:00 | 22:30 |
| 10:00 | 23:30 |
| 11:00 | 0:30 |
| 12:00 | 1:30 |
| 13:00 | 2:30 |
| 14:00 | 3:30 |
| 15:00 | 4:30 |
| 16:00 | 5:30 |
| 17:00 | 6:30 |
| 18:00 | 7:30 |
| 19:00 | 8:30 |
| 20:00 | 9:30 |
| 21:00 | 10:30 |
| 22:00 | 11:30 |
| 23:00 | 12:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same
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 five hour and thirty minutes time differences 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
- Iran Standard Time - UTC +3:30
Romeo Time Zone
Offset: R is 5 hours behind Greenwich Mean Time (GMT) and is used in Military
R 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 five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for R
- R - short form of 'Romeo'
- 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