HST to MSK Converter
MSK is 13 hours ahead of HST. 9:00 AM HST = 10:00 PM MSK.
MSK is 13 hours ahead of HST. To convert HST to MSK, add 13 hours to the HST time: 9:00 AM HST = 10:00 PM MSK.
HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). MSK (Moscow Time) is used in Moscow, St Petersburg and western Russia; Belarus.
HST to MSK time conversion table
HST to MSK on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HST | MSK | Day |
|---|---|---|
| 12:00 AM HST | 1:00 PM MSK | — |
| 1:00 AM HST | 2:00 PM MSK | — |
| 2:00 AM HST | 3:00 PM MSK | — |
| 3:00 AM HST | 4:00 PM MSK | — |
| 4:00 AM HST | 5:00 PM MSK | — |
| 5:00 AM HST | 6:00 PM MSK | — |
| 6:00 AM HST | 7:00 PM MSK | — |
| 7:00 AM HST | 8:00 PM MSK | — |
| 8:00 AM HST | 9:00 PM MSK | — |
| 9:00 AM HST | 10:00 PM MSK | night |
| 10:00 AM HST | 11:00 PM MSK | night |
| 11:00 AM HST | 12:00 AM MSK | next day |
| 12:00 PM HST | 1:00 AM MSK | next day |
| 1:00 PM HST | 2:00 AM MSK | next day |
| 2:00 PM HST | 3:00 AM MSK | next day |
| 3:00 PM HST | 4:00 AM MSK | next day |
| 4:00 PM HST | 5:00 AM MSK | next day |
| 5:00 PM HST | 6:00 AM MSK | next day |
| 6:00 PM HST | 7:00 AM MSK | next day |
| 7:00 PM HST | 8:00 AM MSK | next day |
| 8:00 PM HST | 9:00 AM MSK | next day |
| 9:00 PM HST | 10:00 AM MSK | next day |
| 10:00 PM HST | 11:00 AM MSK | next day |
| 11:00 PM HST | 12:00 PM MSK | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert HST to MSK
Add 13 hours to the HST time to get MSK.
Example: 9:00 AM HST = 10:00 PM MSK.
Across midnight: 10:00 PM HST = 11:00 AM MSK (next day). The date changes, so always check the day as well as the hour.
Time difference between HST and MSK
The time difference between HST and MSK is 13 hours all year – MSK is ahead of HST.
HST and MSK during daylight saving time
- HST does not observe daylight saving time; it stays on UTC−10 all year.
- MSK does not observe daylight saving time; it stays on UTC+3 all year.
Best time for a meeting between HST and MSK
HST and MSK have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 8:00 PM MSK.
HST to MSK FAQ
What is the time difference between HST and MSK?
MSK is 13 hours ahead of HST all year. 9:00 AM HST = 10:00 PM MSK.
What is 9 AM HST in MSK?
9:00 AM HST is 10:00 PM MSK.
What is 12 PM (noon) HST in MSK?
12:00 PM HST is 1:00 AM MSK (next day).
Is MSK ahead of or behind HST?
MSK is 13 hours ahead of HST, so it is later in MSK than in HST.
Does HST change for daylight saving time?
No. HST stays on the same offset all year, so conversions never shift for daylight saving time.
Does MSK change for daylight saving time?
No. MSK stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between HST and MSK?
HST and MSK have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 8:00 PM MSK.
Related conversions
Convert MSK to HST
Convert HST to other time zones
Convert other time zones to MSK
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.