Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

BRT to MSK

+6h

BRT

BRTSOURCE

UTC-03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

MSK

UTC+03:00

HH06

MM00

18:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

BRT

MSK

12:00 AM

6:00 AM

2:00 AM

8:00 AM

4:00 AM

10:00 AM

6:00 AM

12:00 PM

8:00 AM

2:00 PM

10:00 AM

4:00 PM

12:00 PM

6:00 PM

2:00 PM

8:00 PM

4:00 PM

10:00 PM

6:00 PM

12:00 AM+1

8:00 PM

2:00 AM+1

10:00 PM

4:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

BRT and MSK on the World Map

The map below highlights the BRT (Brasilia Time) and MSK (Moscow Standard Time) timezone regions across the globe.

BRT Zone

→

MSK Zone

Explore all world timezones interactively →

BRT – Brasilia Time

UTC-03:00

Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.

Countries in BRT

Brazil (eastern)

Major Cities in BRT

São PauloRio de JaneiroBrasíliaBelo HorizonteSalvadorFortalezaRecifeCuritiba

Key Facts about BRT

•Brazil abolished daylight saving time in 2019.
•São Paulo is the largest city in the Southern Hemisphere.
•BRT is 2 hours ahead of EST.
•Brazil spans four different time zones.
•The B3 stock exchange in São Paulo operates on BRT.

Daylight Saving:No – UTC-03:00 year-round

Learn more about BRT on Wikipedia

MSK – Moscow Standard Time

UTC+03:00

Moscow Standard Time (MSK) is the time zone for Moscow and western Russia, 3 hours ahead of UTC.

Countries in MSK

Russia (Moscow, St. Petersburg, western regions)

Major Cities in MSK

MoscowSt. PetersburgVolgogradNizhny NovgorodKazanSamaraRostov-on-Don

Key Facts about MSK

•All Russian train timetables use Moscow Time, regardless of location.
•Russia abolished daylight saving time in 2011.
•Moscow is the most populous city in Europe with over 12 million residents.
•MSK shares the offset with Saudi Arabia (AST) and East Africa (EAT).

Daylight Saving:No – UTC+03:00 year-round

Learn more about MSK on Wikipedia

Everything You Need to Know About BRT and MSK Time

BRT runs on Brasilia Time (BRT) at UTC-03:00. MSK runs on Moscow Standard Time (MSK) at UTC+03:00. That puts BRT 6 hours ahead of MSK — a difference of +6h at the current offsets.

In practice, when it is 9:00 AM in BRT it is 3:00 PM in MSK. Midnight in BRT is 6:00 AM in MSK. Neither zone observes daylight saving time, so the offset between them stays constant all year.

BRT to MSK time conversion table

BRT (BRT)	MSK (MSK)	Day
12:00 AM	6:00 AM	same day
6:00 AM	12:00 PM	same day
7:00 AM	1:00 PM	same day
8:00 AM	2:00 PM	same day
9:00 AM	3:00 PM	same day
12:00 PM	6:00 PM	same day
3:00 PM	9:00 PM	same day
5:00 PM	11:00 PM	same day
6:00 PM	12:00 AM	next day
9:00 PM	3:00 AM	next day

Why people convert BRT to MSK time

Scheduling a call from BRT to MSK: a 10:00 AM start in BRT lands at 4:00 PM in MSK, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both BRT and MSK are inside the 9-to-5 working day between 9:00 AM and 11:00 AM BRT time (3:00 PM–5:00 PM MSK). That is roughly 2 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in BRT is 2:00 AM in MSK makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM BRT" is unambiguous; "3 PM" across a +6h gap is not.
Block 9:00 AM–11:00 AM BRT as the recurring meeting window if you work primarily from BRT and need MSK colleagues present.

About BRT (Brasilia Time)

Brasilia Time (BRT) is the standard time in the most populous regions of Brazil, including São Paulo, Rio de Janeiro, and the capital Brasília. Brazil abolished daylight saving time in 2019, so BRT is now observed year-round in these regions. Brazil spans four time zones in total.

About MSK (Moscow Standard Time)

Moscow Standard Time (MSK) is the time zone used in Moscow, St. Petersburg, and much of western Russia. Russia abolished DST in 2011, so MSK is observed year-round. MSK is also the reference time for Russian railways – all train schedules in Russia are given in Moscow Time regardless of the actual local time zone.

Best time to call between BRT and MSK

Both BRT and MSK sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM BRT, which is 3:00 PM–5:00 PM MSK. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

BRT and MSK overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.

BRT is 6 hours ahead of MSK (BRT UTC-03:00 → MSK UTC+03:00). The shared working window is 9:00 AM–11:00 AM BRT. Remember to re-check around daylight-saving transitions.