How many hours is PST behind MSK?
As abbreviations, MSK is always 11 hours ahead of PST: PST is UTC−8 and MSK is UTC+3. To convert, add 11 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 MSK is 10 hours ahead of PST.
When the PST to MSK time difference changes
For most of the year MSK is 10 hours ahead of PST. From 1 November to 31 December 2026, MSK is 11 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 | MSK vs PST | Length |
|---|---|---|
| 8 March 2026 to 31 October 2026 | 10 hours ahead | 238 days |
| 1 November 2026 to 31 December 2026 | 11 hours ahead | 61 days |
| 1 January 2027 to 13 March 2027 | 11 hours ahead | 72 days |
| 14 March 2027 to 6 November 2027 | 10 hours ahead | 238 days |
| 7 November 2027 to 31 December 2027 | 11 hours ahead | 55 days |
Calling hours for PST and MSK
- When MSK is 10 hours ahead of PST: no shared 09:00 to 17:00 hours; try 07:00 in PST (17:00 in MSK).
- When MSK is 11 hours ahead of PST: no shared 09:00 to 17:00 hours; try 07:00 in PST (18:00 in MSK).