MST to BRT Time Converter

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

Denver · Mountain Standard Time
08:06:48
Tuesday, May 12, 2026
MDT · UTC-06:00
São Paulo · Brasília Time
11:06:48
Tuesday, May 12, 2026
GMT-3 · UTC-03:00

Convert a specific time

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

Daylight Saving status right now

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
BRT (Brasília Time)
Observes DST
No

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 MST and BRT 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
MST
BRT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Denver (MST). 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: 09:00–13:00 MST (12:00–16:00 BRT).

Hour-by-hour MST to BRT conversion table

MST time (Denver)BRT time (São Paulo)Status
00:00 Tue03:00 TueOff-hours both sides
01:00 Tue04:00 TueOff-hours both sides
02:00 Tue05:00 TueOff-hours both sides
03:00 Tue06:00 TueOff-hours both sides
04:00 Tue07:00 TueOff-hours both sides
05:00 Tue08:00 TueOff-hours both sides
06:00 Tue09:00 TueBRT working
07:00 Tue10:00 TueBRT working
08:00 Tue11:00 TueBRT working
09:00 Tue12:00 TueBoth at work
10:00 Tue13:00 TueBoth at work
11:00 Tue14:00 TueBoth at work
12:00 Tue15:00 TueBoth at work
13:00 Tue16:00 TueBoth at work
14:00 Tue17:00 TueMST working
15:00 Tue18:00 TueMST working
16:00 Tue19:00 TueMST working
17:00 Tue20:00 TueOff-hours both sides
18:00 Tue21:00 TueOff-hours both sides
19:00 Tue22:00 TueOff-hours both sides
20:00 Tue23:00 TueOff-hours both sides
21:00 Tue00:00 WedOff-hours both sides
22:00 Tue01:00 WedOff-hours both sides
23:00 Tue02:00 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

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
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

Sun today in Denver and São Paulo

Denver
Sunrise
05:49
Sunset
20:05
Solar noon
12:57
Daylight
14h 16m
São Paulo
Sunrise
06:33
Sunset
17:35
Solar noon
12:04
Daylight
11h 2m

Related converters

BRT to MST (reverse)MST to ESTMST to PSTMST to GMTMST to UTCMST to CETEST to BRTPST to BRTGMT to BRTUTC to BRTCET to BRT
Looking for local time? See time in Denver or time in São Paulo.

Frequently asked questions

What is the time difference between MST and BRT right now?+
BRT (Brasília Time) is currently 3 hours ahead MST (Mountain Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does MST or BRT observe daylight saving time?+
MST: observes daylight saving time. BRT: does not observe daylight saving time.
When is the best time to schedule a meeting between MST and BRT?+
The strongest overlap is 09:00–13:00 MST (12:00–16:00 BRT), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in São Paulo when it is 12:00 noon in Denver?+
When it is 12:00 Tue in Denver (MST), it is 15:00 Tue in São Paulo (BRT).
Which IANA time zone identifiers are used for MST and BRT?+
MST maps to "America/Denver" in the IANA database. BRT maps to "America/Sao_Paulo". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Denver ahead of or behind São Paulo?+
Whether Denver (MST) is ahead of or behind São Paulo (BRT) depends on the current UTC offsets. Right now BRT is 3 hours ahead MST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for MST and BRT?+
MST is UTC-06:00 (MDT) and BRT is UTC-03:00 (GMT-3). 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 MST and BRT?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–13:00 MST.