IST to CIST Cist
Time Difference
India Standard Time is 15 hours and 30 minutes ahead of Cook Islands Standard Time
3:30 pm15:30 in IST is 12:00 am00:00 in CIST
IST to CIST call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in IST which corresponds to 5am-7am in CIST
3:30 pm15:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 am00:00 Cook Islands Standard Time (CIST). Offset UTC -10:00 hours
3:30 pm15:30 IST / 12:00 am00:00 CIST
| IST | CIST |
|---|---|
| 12am (midnight) | 8:30 am |
| 1am | 9:30 am |
| 2am | 10:30 am |
| 3am | 11:30 am |
| 4am | 12:30 pm |
| 5am | 1:30 pm |
| 6am | 2:30 pm |
| 7am | 3:30 pm |
| 8am | 4:30 pm |
| 9am | 5:30 pm |
| 10am | 6:30 pm |
| 11am | 7:30 pm |
| 12pm (noon) | 8:30 pm |
| 1pm | 9:30 pm |
| 2pm | 10:30 pm |
| 3pm | 11:30 pm |
| 4pm | 12:30 am |
| 5pm | 1:30 am |
| 6pm | 2:30 am |
| 7pm | 3:30 am |
| 8pm | 4:30 am |
| 9pm | 5:30 am |
| 10pm | 6:30 am |
| 11pm | 7:30 am |
| 0:00 | 8:30 |
| 1:00 | 9:30 |
| 2:00 | 10:30 |
| 3:00 | 11:30 |
| 4:00 | 12:30 |
| 5:00 | 13:30 |
| 6:00 | 14:30 |
| 7:00 | 15:30 |
| 8:00 | 16:30 |
| 9:00 | 17:30 |
| 10:00 | 18:30 |
| 11:00 | 19:30 |
| 12:00 | 20:30 |
| 13:00 | 21:30 |
| 14:00 | 22:30 |
| 15:00 | 23:30 |
| 16:00 | 0:30 |
| 17:00 | 1:30 |
| 18:00 | 2:30 |
| 19:00 | 3:30 |
| 20:00 | 4:30 |
| 21:00 | 5:30 |
| 22:00 | 6:30 |
| 23:00 | 7:30 |
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
Cook Islands Standard Time
Offset: CIST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
CIST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the west of the zero meridian.
- Whiskey - Military abbreviation for CIST
- W - short form of 'Whiskey'
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone