GST to CT time converter
CT is 9 hours behind GST. When it is 9:00 AM in GST, it is 12:00 AM in CT.
12:10 AM in GST, Saturday, October 17, 2026
GST to CT conversion table
Every hour of today in GST and the matching time in CT. Light rows are typical working hours (9:00–18:00).
| GST | CT |
|---|---|
| 12:00 AM | 3:00 PM−1 day |
| 1:00 AM | 4:00 PM−1 day |
| 2:00 AM | 5:00 PM−1 day |
| 3:00 AM | 6:00 PM−1 day |
| 4:00 AM | 7:00 PM−1 day |
| 5:00 AM | 8:00 PM−1 day |
| 6:00 AM | 9:00 PM−1 day |
| 7:00 AM | 10:00 PM−1 day |
| 8:00 AM | 11:00 PM−1 day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in GST (7:00 AM – 9:00 AM in CT): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because GST and CT switch clocks on different dates:
- Oct 17, 2026 – Nov 1, 2026: -9h
- Nov 1, 2026 – Mar 14, 2027: -10h
- Mar 14, 2027 – Oct 17, 2027: -9h
More conversions
Questions and answers
What is the time difference between GST and CT?
CT is 9 hours behind GST.
What time is it in CT when it is 9 AM in GST?
When it is 9:00 AM in GST, it is 12:00 AM in CT.
When is the best time to call CT from GST?
Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in GST (7:00 AM – 9:00 AM in CT): working hours on one side, early or late on the other.
Does the time difference between GST and CT change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.