Moscow PortsmouthTime Converter
Moscow (MSK, UTC+3) is currently 7 hours ahead of Portsmouth (AST, UTC−4). Compare live clocks, convert any hour, and find times to meet.
Best time to meet between Moscow and Portsmouth
Best meeting times:
Moscow: 4:00 PM – 6:00 PM
Portsmouth: 9:00 AM – 11:00 AM
Quick answer
When it's in Moscow, it's the same day in Portsmouth.
Moscow (MSK) runs 7 hours ahead of Portsmouth (AST). Both sides keep standard office hours with a real 9–6 overlap: the highlighted window above works for everyone.
- Time difference
- −7h 00m
- Moscow
- UTC+3
- Portsmouth
- UTC−4
- Best call window
- 4:00 PM MSK
Moscow to Portsmouth conversion table
The next 12 hours in Moscow and the matching local time in Portsmouth. The current hour is highlighted; drag the converter's slider and the table follows.
| Moscow · MSK | Portsmouth · AST |
|---|---|
| NOW Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Sun, Aug 2 |
Mon, Aug 3 |
Sun, Aug 2 |
This time difference never changes
Neither side observes daylight saving against the other, so the gap stays constant all year. Moscow does not observe daylight saving time. Portsmouth does not observe daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair: every combination is a live tool, not an article.
From Moscow
To Portsmouth
One source of truth, for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Moscow time in Portsmouth?", it can cite the exact, DST-aware result, not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "Moscow → Portsmouth",
"url": "https://worldclock.pro/en/convert/moscow-to-portsmouth-dm",
"from": {
"name": "Moscow",
"type": "city",
"abbreviation": "MSK",
"daylightAbbreviation": null,
"iana": "Europe/Moscow",
"standardUtcOffset": "+03:00",
"daylightUtcOffset": null,
"referenceCity": "Moscow"
},
"to": {
"name": "Portsmouth",
"type": "city",
"abbreviation": "AST",
"daylightAbbreviation": null,
"iana": "America/Dominica",
"standardUtcOffset": "-04:00",
"daylightUtcOffset": null,
"referenceCity": "Portsmouth"
},
"currentDifferenceMinutes": -420,
"possibleDifferencesMinutes": [
-420
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between Moscow and Portsmouth?
Moscow is currently 7 hours ahead of Portsmouth. Moscow is on MSK (UTC+3) and Portsmouth is on AST (UTC−4). The difference can change when either side starts or ends daylight saving time.
Is Portsmouth ahead of or behind Moscow?
Portsmouth is currently 7 hours behind Moscow.
When it is 9:00 AM in Moscow, what time is it in Portsmouth?
When it is 9:00 AM on a Sunday in Moscow, it is 2:00 AM in Portsmouth.
Do Moscow and Portsmouth observe daylight saving time?
Moscow does not observe daylight saving time. Portsmouth does not observe daylight saving time.
How do I convert Moscow time to Portsmouth time?
Subtract 7 hours from any time in Moscow to get the time in Portsmouth. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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