IST to CHAST Converter
Time Difference
India Standard Time is 7 hours and 15 minutes behind Chatham Island Standard Time
3:30 am03:30 in IST is 10:45 am10:45 in CHAST
IST to CHAST call time
Best time for a conference call or a meeting is between 8am-10:45am in IST which corresponds to 3:15pm-6pm in CHAST
3:30 am03:30 India Standard Time (IST). Offset UTC +5:30 hours
10:45 am10:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
3:30 am03:30 IST / 10:45 am10:45 CHAST
IST | CHAST |
---|---|
12am (midnight) | 7:15 am |
1am | 8:15 am |
2am | 9:15 am |
3am | 10:15 am |
4am | 11:15 am |
5am | 12:15 pm |
6am | 1:15 pm |
7am | 2:15 pm |
8am | 3:15 pm |
9am | 4:15 pm |
10am | 5:15 pm |
11am | 6:15 pm |
12pm (noon) | 7:15 pm |
1pm | 8:15 pm |
2pm | 9:15 pm |
3pm | 10:15 pm |
4pm | 11:15 pm |
5pm | 12:15 am |
6pm | 1:15 am |
7pm | 2:15 am |
8pm | 3:15 am |
9pm | 4:15 am |
10pm | 5:15 am |
11pm | 6:15 am |
0:00 | 7:15 |
1:00 | 8:15 |
2:00 | 9:15 |
3:00 | 10:15 |
4:00 | 11:15 |
5:00 | 12:15 |
6:00 | 13:15 |
7:00 | 14:15 |
8:00 | 15:15 |
9:00 | 16:15 |
10:00 | 17:15 |
11:00 | 18:15 |
12:00 | 19:15 |
13:00 | 20:15 |
14:00 | 21:15 |
15:00 | 22:15 |
16:00 | 23:15 |
17:00 | 0:15 |
18:00 | 1:15 |
19:00 | 2:15 |
20:00 | 3:15 |
21:00 | 4:15 |
22:00 | 5:15 |
23:00 | 6:15 |
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
Chatham Island Standard Time
Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHAST representations, usage and related time zones
- +1245 - basic
- +12:45 - extended
- +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates twelve hour and forty-five minutes time differences to the east of the zero meridian.