World Timezones

MSK to AST-ATLANTIC Converter

Compare AST-ATLANTIC to MSK instead
Moscow Time7:35 amFri, Jun 5
Moscow TimeMSK
Europe · UTC+3
7:35 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Atlantic TimeADT
North America · UTC-3
1:35 amFri, Jun 5
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p

Offset

The time difference between Moscow Time and Atlantic Time is 6 hours.

6 hours

Moscow Time (MSK) is ahead of Atlantic Time (ADT).

MSK: UTC+3

ADT: UTC-3

Atlantic Time is currently observing daylight saving time; Moscow Time is not.

When to schedule

Business-hours overlap: 3 PM–5 PM in Moscow Time (9 AM–11 AM in Atlantic Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 4:00 PM Moscow Time (10:00 AM Atlantic Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Russia

  • New Year's DayThu, Jan 1
  • New Year holidayFri, Jan 2
  • New Year holidaySat, Jan 3
  • New Year holidaySun, Jan 4
  • New Year holidayMon, Jan 5
  • New Year holidayTue, Jan 6
  • Christmas Day (Orthodox)Wed, Jan 7
  • Defender of the Fatherland DayMon, Feb 23
  • International Women's DaySun, Mar 8
  • Labour DayFri, May 1
  • Victory DaySat, May 9
  • Russia DayFri, Jun 12
  • Unity DayWed, Nov 4

Canada

  • New Year's DayThu, Jan 1
  • Good FridayFri, Apr 3
  • Victoria DayMon, May 18
  • Canada DayWed, Jul 1
  • Labour DayMon, Sep 7
  • National Day for Truth and ReconciliationWed, Sep 30
  • ThanksgivingMon, Oct 12
  • Christmas DayFri, Dec 25

About these zones

Moscow Time is also known as MSK. To call Russia, dial +7.

Atlantic Time is also known as AST, or ADT. To call Canada, dial +1.

Atlantic Time is approximately 4,150 miles northwest of Moscow Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

MSKAST-ATLANTICDay
12:00 am6:00 pm-1 day
1:00 am7:00 pm-1 day
2:00 am8:00 pm-1 day
3:00 am9:00 pm-1 day
4:00 am10:00 pm-1 day
5:00 am11:00 pm-1 day
6:00 am12:00 amSame day
7:00 am1:00 amSame day
8:00 am2:00 amSame day
9:00 am3:00 amSame day
10:00 am4:00 amSame day
11:00 am5:00 amSame day
12:00 pm6:00 amSame day
1:00 pm7:00 amSame day
2:00 pm8:00 amSame day
3:00 pm9:00 amSame day
4:00 pm10:00 amSame day
5:00 pm11:00 amSame day
6:00 pm12:00 pmSame day
7:00 pm1:00 pmSame day
8:00 pm2:00 pmSame day
9:00 pm3:00 pmSame day
10:00 pm4:00 pmSame day
11:00 pm5:00 pmSame day

Daylight saving time

Atlantic Time observes daylight saving time; Moscow Time does not. The offset between the two zones changes when Atlantic Time transitions: on Sunday, November 1, 2026, clocks fall back from ADT to AST.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Moscow Time
Sunrise
3:51 AM
Sunset
9:07 PM
Day length
17h 17m
Atlantic Time
Sunrise
5:31 AM
Sunset
8:56 PM
Day length
15h 25m

Daylight overlap: 9h 36m — 11:31 AM–9:07 PM in Moscow Time (5:31 AM–3:07 PM in Atlantic Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Atlantic Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Moscow Time

  • DME
  • SVO
  • VKO
  • ZIA
  • LED
  • GOJ

Airports in Atlantic Time

  • YHZ

Related conversions

Common conversions

What is 9:00 am MSK in AST-ATLANTIC?
9:00 am MSK is 3:00 am AST-ATLANTIC.
What is 12:00 pm MSK in AST-ATLANTIC?
12:00 pm MSK is 6:00 am AST-ATLANTIC.
What is 12:30 pm MSK in AST-ATLANTIC?
12:30 pm MSK is 6:30 am AST-ATLANTIC.
What is 2:00 pm MSK in AST-ATLANTIC?
2:00 pm MSK is 8:00 am AST-ATLANTIC.
What is 5:00 pm MSK in AST-ATLANTIC?
5:00 pm MSK is 11:00 am AST-ATLANTIC.
What is 11:30 pm MSK in AST-ATLANTIC?
11:30 pm MSK is 5:30 pm AST-ATLANTIC.