PT to CST time converter
CST is 15 hours ahead of PT. When it is 9:00 AM in PT, it is 12:00 AM (Mon, Oct 19) in CST.
6:38 AM in PT, Sunday, October 18, 2026
PT to CST conversion table
Every hour of today in PT and the matching time in CST. Light rows are typical working hours (9:00–18:00).
| PT | CST |
|---|---|
| 12:00 AM | 3:00 PM |
| 1:00 AM | 4:00 PM |
| 2:00 AM | 5:00 PM |
| 3:00 AM | 6:00 PM |
| 4:00 AM | 7:00 PM |
| 5:00 AM | 8:00 PM |
| 6:00 AM | 9:00 PM |
| 7:00 AM | 10:00 PM |
| 8:00 AM | 11:00 PM |
| 9:00 AM | 12:00 AM+1 day |
| 10:00 AM | 1:00 AM+1 day |
| 11:00 AM | 2:00 AM+1 day |
| 12:00 PM | 3:00 AM+1 day |
| 1:00 PM | 4:00 AM+1 day |
| 2:00 PM | 5:00 AM+1 day |
| 3:00 PM | 6:00 AM+1 day |
| 4:00 PM | 7:00 AM+1 day |
| 5:00 PM | 8:00 AM+1 day |
| 6:00 PM | 9:00 AM+1 day |
| 7:00 PM | 10:00 AM+1 day |
| 8:00 PM | 11:00 AM+1 day |
| 9:00 PM | 12:00 PM+1 day |
| 10:00 PM | 1:00 PM+1 day |
| 11:00 PM | 2:00 PM+1 day |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in PT (7:00 AM – 9:00 AM in CST): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because PT and CST switch clocks on different dates:
- Oct 18, 2026 – Nov 1, 2026: +15h
- Nov 1, 2026 – Mar 14, 2027: +16h
- Mar 14, 2027 – Oct 18, 2027: +15h
More conversions
Questions and answers
What is the time difference between PT and CST?
CST is 15 hours ahead of PT.
What time is it in CST when it is 9 AM in PT?
When it is 9:00 AM in PT, it is 12:00 AM (Mon, Oct 19) in CST.
When is the best time to call CST from PT?
Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in PT (7:00 AM – 9:00 AM in CST): working hours on one side, early or late on the other.
Does the time difference between PT and CST change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.