How many hours is PST behind CAT?
As abbreviations, CAT is always 10 hours ahead of PST: PST is UTC−8 and CAT is UTC+2. To convert, add 10 hours.
Check which label you actually need: PST (Pacific Time is on PDT today). A time written with an abbreviation that is not in use is usually meant as the local time, so convert between the places instead: right now CAT is 9 hours ahead of PST.
When the PST to CAT time difference changes
For most of the year CAT is 9 hours ahead of PST. From 1 November to 31 December 2026, CAT is 10 hours ahead of PST instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
| Dates | CAT vs PST | Length |
|---|---|---|
| 8 March 2026 to 31 October 2026 | 9 hours ahead | 238 days |
| 1 November 2026 to 31 December 2026 | 10 hours ahead | 61 days |
| 1 January 2027 to 13 March 2027 | 10 hours ahead | 72 days |
| 14 March 2027 to 6 November 2027 | 9 hours ahead | 238 days |
| 7 November 2027 to 31 December 2027 | 10 hours ahead | 55 days |
When PST and CAT are both at work
- When CAT is 9 hours ahead of PST: no shared 09:00 to 17:00 hours; try 08:00 in PST (17:00 in CAT).
- When CAT is 10 hours ahead of PST: no shared 09:00 to 17:00 hours; try 07:00 in PST (17:00 in CAT).