CCT to IST Time Converter

Convert Cocos Islands Time (CCT) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 1 hour behind.

West Island · Cocos Islands Time
17:40:45
Tuesday, May 12, 2026
GMT+6:30 · UTC+06:30
Mumbai · India Standard Time
16:40:45
Tuesday, May 12, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: CCT (West Island)
To: IST (Mumbai)
--:--

Daylight Saving status right now

CCT (Cocos Islands Time)
Observes DST
No
IST (India Standard Time)
Observes DST
No

When can CCT and IST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
CCT
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in West Island (CCT). Each row shows the local working-hours state in that zone for the same moment in time.
7 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 10:00–16:00 CCT (09:00–15:00 IST).

Hour-by-hour CCT to IST conversion table

CCT time (West Island)IST time (Mumbai)Status
00:00 Tue23:00 MonOff-hours both sides
01:00 Tue00:00 TueOff-hours both sides
02:00 Tue01:00 TueOff-hours both sides
03:00 Tue02:00 TueOff-hours both sides
04:00 Tue03:00 TueOff-hours both sides
05:00 Tue04:00 TueOff-hours both sides
06:00 Tue05:00 TueOff-hours both sides
07:00 Tue06:00 TueOff-hours both sides
08:00 Tue07:00 TueOff-hours both sides
09:00 Tue08:00 TueCCT working
10:00 Tue09:00 TueBoth at work
11:00 Tue10:00 TueBoth at work
12:00 Tue11:00 TueBoth at work
13:00 Tue12:00 TueBoth at work
14:00 Tue13:00 TueBoth at work
15:00 Tue14:00 TueBoth at work
16:00 Tue15:00 TueBoth at work
17:00 Tue16:00 TueIST working
18:00 Tue17:00 TueOff-hours both sides
19:00 Tue18:00 TueOff-hours both sides
20:00 Tue19:00 TueOff-hours both sides
21:00 Tue20:00 TueOff-hours both sides
22:00 Tue21:00 TueOff-hours both sides
23:00 Tue22:00 TueOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Cocos Islands Time (CCT)
IANA identifier
Indian/Cocos
Current UTC offset
UTC+06:30
Current abbreviation
GMT+6:30
Major cities in this zone
West Island
India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata

Sun today in West Island and Mumbai

Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 59m

Related converters

IST to CCT (reverse)CCT to ESTCCT to PSTCCT to GMTCCT to UTCCCT to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in West Island or time in Mumbai.

Frequently asked questions

What is the time difference between CCT and IST right now?+
IST (India Standard Time) is currently 1 hour behind CCT (Cocos Islands Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does CCT or IST observe daylight saving time?+
CCT: does not observe daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between CCT and IST?+
The strongest overlap is 10:00–16:00 CCT (09:00–15:00 IST), giving 7 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in West Island?+
When it is 12:00 Tue in West Island (CCT), it is 11:00 Tue in Mumbai (IST).
Which IANA time zone identifiers are used for CCT and IST?+
CCT maps to "Indian/Cocos" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is West Island ahead of or behind Mumbai?+
Whether West Island (CCT) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 1 hour behind CCT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for CCT and IST?+
CCT is UTC+06:30 (GMT+6:30) and IST is UTC+05:30 (GMT+5:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both CCT and IST?+
Yes. There are 7 hours of overlap during standard 9am-5pm working hours, with the strongest window at 10:00–16:00 CCT.