Colombo to BRT
-8h 30mColombo
ISTSOURCEBRT
BRTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and BRT on the World Map
The map below highlights the IST (India Standard Time) and BRT (Brasilia Time) timezone regions across the globe.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
- •India uses a single time zone despite spanning 30° of longitude.
- •IST is one of only a handful of time zones with a 30-minute offset.
- •IST is the most populous single time zone in the world with over 1.4 billion people.
- •The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.
BRT – Brasilia Time
UTC-03:00Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.
- •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.
About Colombo
WikipediaColombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.
Sri Lanka Standard Time (SLST) uses UTC+5:30, same offset as India.
Colombo to BRT Time Difference – Complete Guide
Colombo runs on India Standard Time (IST) at UTC+05:30. BRT runs on Brasilia Time (BRT) at UTC-03:00. That puts Colombo 8 hours 30 minutes behind BRT — a difference of -8h 30m at the current offsets.
In practice, when it is 9:00 AM in Colombo it is 12:30 AM in BRT. Midnight in Colombo is 3:30 PM in BRT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Colombo to BRT time conversion table
| Colombo (IST) | BRT (BRT) | Day |
|---|---|---|
| 12:00 AM | 3:30 PM | previous day |
| 6:00 AM | 9:30 PM | previous day |
| 7:00 AM | 10:30 PM | previous day |
| 8:00 AM | 11:30 PM | previous day |
| 9:00 AM | 12:30 AM | same day |
| 12:00 PM | 3:30 AM | same day |
| 3:00 PM | 6:30 AM | same day |
| 5:00 PM | 8:30 AM | same day |
| 6:00 PM | 9:30 AM | same day |
| 9:00 PM | 12:30 PM | same day |
Why people convert Colombo to BRT time
- Scheduling a call from Colombo to BRT: a 10:00 AM start in Colombo lands at 1:30 AM in BRT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -8h 30m gap: Colombo 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 12:30 AM in Colombo.
- Booking travel or deliveries: tracking BRT local time against Colombo keeps pickup windows and arrival estimates honest across the -8h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -8h 30m gap is not.
- With a -8h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week Colombo takes the early slot, the next week BRT does.
About IST (India Standard Time)
India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.
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 Colombo and BRT
With a -8h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. BRT opens at 9:00 AM BRT, which is 12:30 AM in Colombo, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Colombo and BRT have no shared working hours because of the -8h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
Colombo is 8 hours 30 minutes behind BRT (IST UTC+05:30 → 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:
Frequently Asked Questions
What is the time difference between Colombo and BRT?
Colombo (IST, UTC+05:30) is 8 hours 30 minutes behind BRT (BRT, UTC-03:00). The gap is currently -8h 30m.
How do I convert Colombo time to BRT time?
Add -8h 30m to Colombo local time. For example, 9:00 AM in Colombo is 12:30 AM in BRT.
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 -8h 30m offset from Colombo.
What is the best time to call BRT from Colombo?
There is no shared working-hours window because of the -8h 30m gap. The closest option is 1:00 PM in Colombo, which is 4:30 AM in BRT.
Which is behind, Colombo or BRT?
Colombo is 8 hours 30 minutes behind BRT. When it is 12:00 PM in Colombo it is 3:30 AM in BRT.
Do Colombo and BRT use different time zones?
Colombo (Sri Lanka) uses IST at UTC+05:30, while BRT uses BRT at UTC-03:00. The IANA identifiers are Asia/Colombo and America/Sao_Paulo.
Does daylight saving time affect the Colombo–BRT difference?
Neither zone observes daylight saving time, so the -8h 30m offset between Colombo and BRT is fixed all year.
Which other cities share Colombo's time zone?
IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.
Which countries use IST, Colombo's zone?
IST is used in India, Sri Lanka.
Is there a day difference between Colombo and BRT?
Not normally. The -8h 30m gap only pushes the date over the previous day.
What is the time difference between Colombo and BRT?
BRT is -8h 30m from Colombo.
What timezone is Colombo in?
Colombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.
What timezone is BRT in?
BRT operates on its local timezone.
What are the business hours in Colombo?
Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.
Which countries use IST (India Standard Time)?
IST is used in India, Sri Lanka.
Does IST observe daylight saving time?
No, IST does not observe daylight saving time and remains at UTC+05:30 year-round.
What are some interesting facts about IST?
India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT. India uses a single time zone despite spanning 30° of longitude.
Which cities are in the BRT timezone?
Major cities in the BRT timezone include São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Salvador, Fortaleza, Recife, Curitiba.
What is the UTC offset for BRT?
Brasilia Time (BRT) is at UTC-03:00.
What should I know about the BRT timezone?
Brazil abolished daylight saving time in 2019. São Paulo is the largest city in the Southern Hemisphere.
When is it midnight in Colombo, what time is it in BRT?
When it is 12:00 AM (midnight) in Colombo (IST), it is -8h 30m later in BRT (BRT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Colombo time conversions
- colombo to sri lanka
- colombo to dubai
- colombo to mumbai
- colombo to delhi
- colombo to bangalore
- colombo to kathmandu
- colombo to bangkok
- colombo to singapore
- colombo to hong kong
- colombo to shanghai
- colombo to beijing
- colombo to tokyo
- colombo to osaka
- colombo to new york
- colombo to london
- colombo to sydney
- colombo to los angeles
- colombo to paris
- colombo to berlin
- colombo to toronto
- new york to colombo
- london to colombo
- dubai to colombo
- tokyo to colombo
- singapore to colombo
- sydney to colombo
- los angeles to colombo
- paris to colombo
- delhi to colombo
- mumbai to colombo
- berlin to colombo
- hong kong to colombo
- toronto to colombo
- kathmandu to colombo
See every conversion from Colombo →·See every conversion from BRT →