BRT to MST Time Converter

Convert Brasília Time (BRT) to Mountain Standard Time (MST). Both time zones are shown live below; current offset between them is 3 hours behind.

São Paulo · Brasília Time
16:11:01
Wednesday, May 13, 2026
GMT-3 · UTC-03:00
Denver · Mountain Standard Time
13:11:01
Wednesday, May 13, 2026
MDT · UTC-06:00

Convert a specific time

From: BRT (São Paulo)
To: MST (Denver)
--:--

Daylight Saving status right now

BRT (Brasília Time)
Observes DST
No
MST (Mountain Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-06:00 → UTC-07:00

Heads up: MST observes DST while BRT does not. The 3-hour difference shown above will shift by one hour when MST starts or ends DST.

When can BRT and MST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
BRT
MST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in São Paulo (BRT). Each row shows the local working-hours state in that zone for the same moment in time.
5 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 12:00–16:00 BRT (09:00–13:00 MST).

Hour-by-hour BRT to MST conversion table

BRT time (São Paulo)MST time (Denver)Status
00:00 Wed21:00 TueOff-hours both sides
01:00 Wed22:00 TueOff-hours both sides
02:00 Wed23:00 TueOff-hours both sides
03:00 Wed00:00 WedOff-hours both sides
04:00 Wed01:00 WedOff-hours both sides
05:00 Wed02:00 WedOff-hours both sides
06:00 Wed03:00 WedOff-hours both sides
07:00 Wed04:00 WedOff-hours both sides
08:00 Wed05:00 WedOff-hours both sides
09:00 Wed06:00 WedBRT working
10:00 Wed07:00 WedBRT working
11:00 Wed08:00 WedBRT working
12:00 Wed09:00 WedBoth at work
13:00 Wed10:00 WedBoth at work
14:00 Wed11:00 WedBoth at work
15:00 Wed12:00 WedBoth at work
16:00 Wed13:00 WedBoth at work
17:00 Wed14:00 WedMST working
18:00 Wed15:00 WedMST working
19:00 Wed16:00 WedMST working
20:00 Wed17:00 WedOff-hours both sides
21:00 Wed18:00 WedOff-hours both sides
22:00 Wed19:00 WedOff-hours both sides
23:00 Wed20:00 WedOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Brasília Time (BRT)
IANA identifier
America/Sao_Paulo
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
São PauloRio de JaneiroBrasília
Mountain Standard Time (MST)
IANA identifier
America/Denver
Current UTC offset
UTC-06:00
Current abbreviation
MDT
Major cities in this zone
DenverPhoenixSalt Lake CityAlbuquerque

Sun today in São Paulo and Denver

São Paulo
Sunrise
06:33
Sunset
17:34
Solar noon
12:04
Daylight
11h 1m
Denver
Sunrise
05:48
Sunset
20:06
Solar noon
12:57
Daylight
14h 18m

Related converters

MST to BRT (reverse)BRT to ESTBRT to PSTBRT to GMTBRT to UTCBRT to CETEST to MSTPST to MSTGMT to MSTUTC to MSTCET to MST
Looking for local time? See time in São Paulo or time in Denver.

Frequently asked questions

What is the time difference between BRT and MST right now?+
MST (Mountain Standard Time) is currently 3 hours behind BRT (Brasília Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does BRT or MST observe daylight saving time?+
BRT: does not observe daylight saving time. MST: observes daylight saving time.
When is the best time to schedule a meeting between BRT and MST?+
The strongest overlap is 12:00–16:00 BRT (09:00–13:00 MST), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in Denver when it is 12:00 noon in São Paulo?+
When it is 12:00 Wed in São Paulo (BRT), it is 09:00 Wed in Denver (MST).
Which IANA time zone identifiers are used for BRT and MST?+
BRT maps to "America/Sao_Paulo" in the IANA database. MST maps to "America/Denver". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is São Paulo ahead of or behind Denver?+
Whether São Paulo (BRT) is ahead of or behind Denver (MST) depends on the current UTC offsets. Right now MST is 3 hours behind BRT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for BRT and MST?+
BRT is UTC-03:00 (GMT-3) and MST is UTC-06:00 (MDT). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both BRT and MST?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 12:00–16:00 BRT.