MSK to AST Converter
AST is 7 hours behind MSK
MSK to AST Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in AST
| MSK | AST |
|---|---|
| 12:00 AM | 5:00 PM -1d |
| 1:00 AM | 6:00 PM -1d |
| 2:00 AM | 7:00 PM -1d |
| 3:00 AM | 8:00 PM -1d |
| 4:00 AM | 9:00 PM -1d |
| 5:00 AM | 10:00 PM -1d |
| 6:00 AM | 11:00 PM -1d |
| 7:00 AM | 12:00 AM |
| 8:00 AM | 1:00 AM |
| 9:00 AM | 2:00 AM |
| 10:00 AM | 3:00 AM |
| 11:00 AM | 4:00 AM |
| 12:00 PM | 5:00 AM |
| 1:00 PM | 6:00 AM |
| 2:00 PM | 7:00 AM |
| 3:00 PM | 8:00 AM |
| 4:00 PM | 9:00 AM |
| 5:00 PM | 10:00 AM |
| 6:00 PM | 11:00 AM |
| 7:00 PM | 12:00 PM |
| 8:00 PM | 1:00 PM |
| 9:00 PM | 2:00 PM |
| 10:00 PM | 3:00 PM |
| 11:00 PM | 4:00 PM |
Converting Moscow Standard Time to Atlantic Standard Time
Moscow Standard Time (MSK) and Atlantic Standard Time (AST) are separated by a 7 hours time difference. AST is 7 hours behind MSK. MSK is UTC+3, used in Russia, while AST is UTC-4, used in Canada, Puerto Rico, US Virgin Islands.
When converting from MSK to AST, the key reference points to remember are: 9:00 AM MSK equals 2:00 AM AST, 12:00 PM noon MSK equals 5:00 AM AST, and 5:00 PM MSK equals 10:00 AM AST. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across MSK and AST
For professionals scheduling meetings between MSK and AST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 7 hours difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.
Daylight Saving Time Considerations
MSK does not observe Daylight Saving Time, maintaining UTC+3 year-round. AST observes DST, switching to ADT (UTC-3). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.