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BRT/BRST
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.

CLST
UTC−3
same time
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 am09:00 BRT (UTC-3), Nov 5, 2026 = 9:00 am09:00 CLST (UTC-3), Nov 5, 2026

BRT and CLST have the same local time.

BRST and CLST examples

These examples always use BRST (UTC-2) and CLST (UTC-3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BRST is 1 hour ahead of CLST.

How the time difference changes

For most of the year, BRT and CLST have the same time. From Apr 4 to Sep 5, 2027, BRT is 1 hour ahead of CLT.

For most of the year, working hours of 9:00 am to 6:00 pm in BRT correspond to 9:00 am to 6:00 pm in CLST. At other times of the year, working hours of 9:00 am to 6:00 pm in BRT correspond to 8:00 am to 5:00 pm in CLT.For most of the year, working hours of 09:00 to 18:00 in BRT correspond to 09:00 to 18:00 in CLST. At other times of the year, working hours of 09:00 to 18:00 in BRT correspond to 08:00 to 17:00 in CLT.

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

Time Difference

Brasilia Time and Chile Summer Time have the same local time.
9:00 am09:00 in BRT is 9:00 am09:00 in CLST

BRT to CLST call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in BRT which corresponds to 9am-6pm09:00-18:00 in CLST

9:00 am09:00 Brasilia Time (BRT). Offset UTC -3:00 hours
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours

9:00 am09:00 BRT / 9:00 am09:00 CLST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
BRTCLST
12:00am
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00:00
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Brasilia Summer Time

Offset: BRST is 2 hours behind Greenwich Mean Time (GMT).

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

Chile Summer Time

Offset: CLST is 3 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Chile

Principal Cities: The largest city in the CLST time zone is Santiago in Chile, with about 4.837 million people. Other major cities in this time zone include Antofagasta, Viña del Mar, Valparaíso, Puerto Montt.

Map of the areas on Chile Summer Time (CLST)
CLST part of the year

Today all shaded areas are on CLST.

Daylight Saving: Chile Summer Time (CLST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Chile Standard Time (CLT).

123456789101112Start: Chile Summer Time (CLST) started on Sunday, September 6, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, September 6, 2026, 1:00 am01:00.

123456789101112End: Chile Summer Time (CLST) ends on Sunday, April 4, 2027 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 11:00 pm23:00 local standard time instead.

See Chile daylight saving time and upcoming clock changes worldwide.

CLST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for CLST
  • P - short form of 'Papa'
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasilia Time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • FKT - Falkland Islands Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • PYT - Paraguay Time
  • SRT - Suriname Time
  • UYT - Uruguay Time