Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Thailand to BRT

-10h

Thailand

ICTSOURCE

UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

BRT

UTC-03:00

HH02

MM00

02:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Thailand

BRT

12:00 AM

2:00 PM-1

2:00 AM

4:00 PM-1

4:00 AM

6:00 PM-1

6:00 AM

8:00 PM-1

8:00 AM

10:00 PM-1

10:00 AM

12:00 AM

12:00 PM

2:00 AM

2:00 PM

4:00 AM

4:00 PM

6:00 AM

6:00 PM

8:00 AM

8:00 PM

10:00 AM

10:00 PM

12:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

ICT and BRT on the World Map

The map below highlights the ICT (Indochina Time) and BRT (Brasilia Time) timezone regions across the globe.

ICT Zone

→

BRT Zone

Explore all world timezones interactively →

ICT – Indochina Time

UTC+07:00

Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.

Countries in ICT

ThailandVietnamCambodiaLaosIndonesia (WIB)

Major Cities in ICT

BangkokHo Chi Minh CityHanoiJakartaPhnom PenhVientiane

Key Facts about ICT

•Bangkok is one of the most visited cities in the world.
•ICT is 12 hours ahead of EST.
•Thailand, Vietnam, and Cambodia all share ICT.

Daylight Saving:No – UTC+07:00 year-round

Learn more about ICT on Wikipedia

BRT – Brasilia Time

UTC-03:00

Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.

Countries in BRT

Brazil (eastern)

Major Cities in BRT

São PauloRio de JaneiroBrasíliaBelo HorizonteSalvadorFortalezaRecifeCuritiba

Key Facts about BRT

•Brazil abolished daylight saving time in 2019.
•São Paulo is the largest city in the Southern Hemisphere.
•BRT is 2 hours ahead of EST.
•Brazil spans four different time zones.
•The B3 stock exchange in São Paulo operates on BRT.

Daylight Saving:No – UTC-03:00 year-round

Learn more about BRT on Wikipedia

Everything You Need to Know About Thailand and BRT Time

Thailand runs on Indochina Time (ICT) at UTC+07:00. BRT runs on Brasilia Time (BRT) at UTC-03:00. That puts Thailand 10 hours behind BRT — a difference of -10h at the current offsets.

In practice, when it is 9:00 AM in Thailand it is 11:00 PM in BRT on the previous day. Midnight in Thailand is 2:00 PM in BRT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Thailand to BRT time conversion table

Thailand (ICT)	BRT (BRT)	Day
12:00 AM	2:00 PM	previous day
6:00 AM	8:00 PM	previous day
7:00 AM	9:00 PM	previous day
8:00 AM	10:00 PM	previous day
9:00 AM	11:00 PM	previous day
12:00 PM	2:00 AM	same day
3:00 PM	5:00 AM	same day
5:00 PM	7:00 AM	same day
6:00 PM	8:00 AM	same day
9:00 PM	11:00 AM	same day

Why people convert Thailand to BRT time

Scheduling a call from Thailand to BRT: a 10:00 AM start in Thailand lands at 12:00 AM in BRT, so you can confirm the slot without doing the arithmetic yourself.
Handling a -10h gap: Thailand and BRT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in BRT is 11:00 PM in Thailand.
Booking travel or deliveries: tracking BRT local time against Thailand keeps pickup windows and arrival estimates honest across the -10h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -10h gap is not.
With a -10h gap there is no shared 9-to-5 window, so alternate the early start: one week Thailand takes the early slot, the next week BRT does.

About ICT (Indochina Time)

Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.

About BRT (Brasilia Time)

Brasilia Time (BRT) is the standard time in the most populous regions of Brazil, including São Paulo, Rio de Janeiro, and the capital Brasília. Brazil abolished daylight saving time in 2019, so BRT is now observed year-round in these regions. Brazil spans four time zones in total.

Best time to call between Thailand and BRT

With a -10h offset there is no overlap inside a normal 9 AM – 5 PM day. BRT opens at 9:00 AM BRT, which is 11:00 PM in Thailand, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Thailand and BRT have no shared working hours because of the -10h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Thailand is 10 hours behind BRT (ICT UTC+07:00 → BRT UTC-03:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Thailand and BRT?

Thailand (ICT, UTC+07:00) is 10 hours behind BRT (BRT, UTC-03:00). The gap is currently -10h.

How do I convert Thailand time to BRT time?

Add -10h to Thailand local time. For example, 9:00 AM in Thailand is 11:00 PM in BRT (previous day).

What time is it in BRT right now?

BRT uses BRT at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -10h offset from Thailand.