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CT/CDT
Central Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BRT/BRST
Brasília time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BRST is not used on this date.

This converter uses BRT (UTC−3), as in Sao Paulo.

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 11, 2026 = 9:00 am09:00 BRT (UTC-3), Oct 11, 2026

CDT is 2 hours behind BRT.

How the time difference changes

For most of the year, CT is 2 hours behind BRT. At other times of the year, CT is 3 hours behind BRT.

For most of the year, working hours of 9:00 am to 5:00 pm in CT correspond to 11:00 am to 7:00 pm in BRT. At other times of the year, working hours of 9:00 am to 5:00 pm in CT correspond to 12:00 pm to 8:00 pm in BRT.For most of the year, working hours of 09:00 to 17:00 in CT correspond to 11:00 to 19:00 in BRT. At other times of the year, working hours of 09:00 to 17:00 in CT correspond to 12:00 to 20:00 in BRT.

Compare CT time with BRST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central Daylight Time is 2 hours behind Brasília time.
7:00 am07:00 in CDT is 9:00 am09:00 in BRT

CDT to BRT call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in CDT which corresponds to 11am-5pm11:00-17:00 in BRT

7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
9:00 am09:00 Brasília time (BRT). Offset UTC -3:00 hours

7:00 am07:00 CDT / 9:00 am09:00 BRT

CTBRT
12:00am2:00am
1:00am3:00am
2:00am4:00am
3:00am5:00am
4:00am6:00am
5:00am7:00am
6:00am8:00am
7:00am9:00am
8:00am10:00am
9:00am11:00am
10:00am12:00pm
11:00am1:00pm
12:00pm2:00pm
1:00pm3:00pm
2:00pm4:00pm
3:00pm5:00pm
4:00pm6:00pm
5:00pm7:00pm
6:00pm8:00pm
7:00pm9:00pm
8:00pm10:00pm
9:00pm11:00pm
10:00pm12:00am
11:00pm1:00am
00:0002:00
01:0003:00
02:0004:00
03:0005:00
04:0006:00
05:0007:00
06:0008:00
07:0009:00
08:0010:00
09:0011:00
10:0012:00
11:0013:00
12:0014:00
13:0015:00
14:0016:00
15:0017:00
16:0018:00
17:0019:00
18:0020:00
19:0021:00
20:0022:00
21:0023:00
22:0000:00
23:0001:00

Central Time

Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Iztapalapa, Ecatepec.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

CT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CT
  • S - short form of 'Sierra'
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Brasilia Summer Time

Offset: BRST is 2 hours behind Greenwich Mean Time (GMT) and is used in South America

BRST Time Zone Geo Map
BRST timezone map

BRST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -02 - basic short
  • -0200 - basic
  • -02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Oscar - Military abbreviation for BRST
  • O - short form of 'Oscar'
Time zones with the GMT -2 offset:
  • PMDT - Pierre & Miquelon Daylight Time
  • WGT - West Greenland Time
  • BRST - Brasilia Summer Time
  • FNT - Fernando de Noronha Time
  • O - Oscar Time Zone
  • UYST - Uruguay Summer Time