GMT to CLT/CLST time converter
CLT/CLST is 3 hours behind GMT. When it is 9:00 AM in GMT, it is 6:00 AM in CLT/CLST.
9:18 PM in GMT, Friday, October 16, 2026
Shared working hours (9:00–18:00)
GMT to CLT/CLST conversion table
Every hour of today in GMT and the matching time in CLT/CLST. Light rows are typical working hours (9:00–18:00).
| GMT | CLT/CLST |
|---|---|
| 12:00 AM | 9:00 PM−1 day |
| 1:00 AM | 10:00 PM−1 day |
| 2:00 AM | 11:00 PM−1 day |
| 3:00 AM | 12:00 AM |
| 4:00 AM | 1:00 AM |
| 5:00 AM | 2:00 AM |
| 6:00 AM | 3:00 AM |
| 7:00 AM | 4:00 AM |
| 8:00 AM | 5:00 AM |
| 9:00 AM | 6:00 AM |
| 10:00 AM | 7:00 AM |
| 11:00 AM | 8:00 AM |
| 12:00 PM | 9:00 AM |
| 1:00 PM | 10:00 AM |
| 2:00 PM | 11:00 AM |
| 3:00 PM | 12:00 PM |
| 4:00 PM | 1:00 PM |
| 5:00 PM | 2:00 PM |
| 6:00 PM | 3:00 PM |
| 7:00 PM | 4:00 PM |
| 8:00 PM | 5:00 PM |
| 9:00 PM | 6:00 PM |
| 10:00 PM | 7:00 PM |
| 11:00 PM | 8:00 PM |
Best time to call or meet
Both sides are at work from 12:00 PM – 6:00 PM in GMT (9:00 AM – 3:00 PM in CLT/CLST).
Daylight saving time and the difference
The difference changes during the year because GMT and CLT/CLST switch clocks on different dates:
- Oct 16, 2026 – Apr 4, 2027: -3h
- Apr 4, 2027 – Sep 5, 2027: -4h
- Sep 5, 2027 – Oct 16, 2027: -3h
More conversions
Questions and answers
What is the time difference between GMT and CLT/CLST?
CLT/CLST is 3 hours behind GMT.
What time is it in CLT/CLST when it is 9 AM in GMT?
When it is 9:00 AM in GMT, it is 6:00 AM in CLT/CLST.
When is the best time to call CLT/CLST from GMT?
Both sides are at work from 12:00 PM – 6:00 PM in GMT (9:00 AM – 3:00 PM in CLT/CLST).
Does the time difference between GMT and CLT/CLST change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.