World Timezones

HST to BRT Converter

Compare BRT to HST instead
Hawaii Time6:35 pmThu, Jun 4
Hawaii TimeHST
North America · UTC-10
6:35 pmThu, Jun 4
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Brasilia TimeBRT
South America · UTC-3
1:35 amFri, Jun 5
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a

Offset

The time difference between Hawaii Time and Brasilia Time is 7 hours.

7 hours

Hawaii Time (HST) is behind Brasilia Time (BRT).

HST: UTC-10

BRT: UTC-3

Neither Hawaii Time nor Brasilia Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–10 AM in Hawaii Time (4 PM–5 PM in Brasilia Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 9:00 AM Hawaii Time (4:00 PM Brasilia Time).

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United States

  • New Year's DayThu, Jan 1
  • Martin Luther King, Jr. DayMon, Jan 19
  • Presidents DayMon, Feb 16
  • Memorial DayMon, May 25
  • Juneteenth National Independence DayFri, Jun 19
  • Independence DayFri, Jul 3
  • Labour DayMon, Sep 7
  • Columbus DayMon, Oct 12
  • Veterans DayWed, Nov 11
  • Thanksgiving DayThu, Nov 26
  • Christmas DayFri, Dec 25

Brazil

  • New Year's DayThu, Jan 1
  • CarnivalMon, Feb 16
  • CarnivalTue, Feb 17
  • Good FridayFri, Apr 3
  • Easter SundaySun, Apr 5
  • TiradentesTue, Apr 21
  • Labour DayFri, May 1
  • Corpus ChristiThu, Jun 4
  • Independence DayMon, Sep 7
  • Our Lady of AparecidaMon, Oct 12
  • All Souls' DayMon, Nov 2
  • Republic Proclamation DaySun, Nov 15
  • Black Awareness DayFri, Nov 20
  • Christmas DayFri, Dec 25

About these zones

Hawaii Time is also known as HST. To call United States, dial +1.

Brasilia Time is also known as BRT. To call Brazil, dial +55.

Brasilia Time is approximately 8,100 miles east of Hawaii Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

HSTBRTDay
12:00 am7:00 amSame day
1:00 am8:00 amSame day
2:00 am9:00 amSame day
3:00 am10:00 amSame day
4:00 am11:00 amSame day
5:00 am12:00 pmSame day
6:00 am1:00 pmSame day
7:00 am2:00 pmSame day
8:00 am3:00 pmSame day
9:00 am4:00 pmSame day
10:00 am5:00 pmSame day
11:00 am6:00 pmSame day
12:00 pm7:00 pmSame day
1:00 pm8:00 pmSame day
2:00 pm9:00 pmSame day
3:00 pm10:00 pmSame day
4:00 pm11:00 pmSame day
5:00 pm12:00 am+1 day
6:00 pm1:00 am+1 day
7:00 pm2:00 am+1 day
8:00 pm3:00 am+1 day
9:00 pm4:00 am+1 day
10:00 pm5:00 am+1 day
11:00 pm6:00 am+1 day

Daylight saving time

Neither Hawaii Time nor Brasilia Time observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Hawaii Time
Sunrise
5:50 AM
Sunset
7:12 PM
Day length
13h 22m
Brasilia Time
Sunrise
6:44 AM
Sunset
5:28 PM
Day length
10h 45m

Cities in these zones

Cities in Hawaii Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Hawaii Time

  • HNL

Airports in Brasilia Time

  • CGH
  • GRU
  • GIG
  • SDU
  • CNF
  • BSB
  • CWB
  • GYN
  • POA

Related conversions

Common conversions

What is 9:00 am HST in BRT?
9:00 am HST is 4:00 pm BRT.
What is 12:00 pm HST in BRT?
12:00 pm HST is 7:00 pm BRT.
What is 12:30 pm HST in BRT?
12:30 pm HST is 7:30 pm BRT.
What is 2:00 pm HST in BRT?
2:00 pm HST is 9:00 pm BRT.
What is 5:00 pm HST in BRT?
5:00 pm HST is 12:00 am BRT, the next day.
What is 11:30 pm HST in BRT?
11:30 pm HST is 6:30 am BRT, the next day.