IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CCT
Cocos Islands Time
GMT +6:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

IST is 1 hour behind CCT. IST uses GMT +5:30, and CCT uses GMT +6:30 for this comparison.

For example, 5:30 pm IST is 6:30 pm CCT. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9am-4pm IST, which is 10am-5pm CCT.

Compare IST time with CCT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 1 hour behind Cocos Islands Time
5:30 pm17:30 in IST is 6:30 pm18:30 in CCT

IST to CCT call time
Best time for a conference call or a meeting is between 9am-4pm in IST which corresponds to 10am-5pm in CCT

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
6:30 pm18:30 Cocos Islands Time (CCT). Offset UTC +6:30 hours

5:30 pm17:30 IST / 6:30 pm18:30 CCT

ISTCCT
12am (midnight)1am
1am2am
2am3am
3am4am
4am5am
5am6am
6am7am
7am8am
8am9am
9am10am
10am11am
11am12pm (noon)
12pm (noon)1pm
1pm2pm
2pm3pm
3pm4pm
4pm5pm
5pm6pm
6pm7pm
7pm8pm
8pm9pm
9pm10pm
10pm11pm
11pm12am (midnight)
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

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 Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Cocos Islands Time

Offset: CCT is 6 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Indian Ocean

Countries using this time zone: Cocos (Keeling) Islands

Principal Cities: The largest city in the CCT time zone is West Island in Cocos Islands, with about 120 people.

Daylight Saving: Clocks in Cocos Islands Time (CCT) do not change for daylight saving time, so CCT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

CCT Time Zone Geo Map
CCT timezone map

CCT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0630 - basic
  • +06:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0630 - sign character (+) followed by a four digit time providing hours (06) and minutes (30) of the offset. Indicates an offset of six hours and thirty minutes to the east of the zero meridian.
Time zones with the GMT +6:30 offset:
  • CCT - Cocos Islands Time
  • MMT - Myanmar Time