South America time zones span UTC-5 to UTC-3, a three-hour band that gives US teams 6-8 hours of daily overlap with LATAM developers. The full Americas run from UTC-10 in Hawaii to UTC-2 on Brazil’s Atlantic islands, and every major LATAM hiring market sits within two hours of US Eastern time.
Colombia and Peru (UTC-5) align perfectly with US Eastern Time. Mexico and Costa Rica (UTC-6) match US Central Time. Brazil eliminated DST in 2019 and Paraguay followed in 2024. Only Chile still changes clocks seasonally.
Below you will find the complete time-zone lists for South America, Central America, and North America, each country’s DST status, two reference maps, and the overlap windows with US time zones. We also cover why time zone alignment drives 40% faster release cycles and how to calculate cost-per-overlapping-hour when evaluating nearshore partners.
South America Time Zones: The Country-by-Country List
South America’s mainland spans three offsets (UTC-5 to UTC-3), and Brazil’s Atlantic islands add a fourth (UTC-2). Countries near the equator stay on standard time year-round. Southern countries have more variation.
| Country | Time Zone | UTC Offset | DST? |
|---|---|---|---|
| Colombia | COT | UTC-5 | No |
| Peru | PET | UTC-5 | No |
| Ecuador | ECT | UTC-5 | No |
| Bolivia | BOT | UTC-4 | No |
| Venezuela | VET | UTC-4 | No |
| Guyana | GYT | UTC-4 | No |
| Chile (mainland) | CLT/CLST | UTC-4/UTC-3 | Yes (Sep-Apr) |
| Paraguay | PYT | UTC-3 | No (ended 2024) |
| Argentina | ART | UTC-3 | No |
| Brazil (most) | BRT | UTC-3 | No |
| Uruguay | UYT | UTC-3 | No |
| Suriname | SRT | UTC-3 | No |
| French Guiana (France) | GFT | UTC-3 | No |
What Time Zone Is Colombia, Ecuador, and Peru?
Colombia, Ecuador, and Peru all use UTC-5 year-round. None observe DST. This makes them the most predictable time zones in South America for scheduling. Peru’s zero-hour offset with US Eastern time is a major draw for companies hiring software developers in Peru.
Colombia uses Colombia Time (COT). Peru uses Peru Time (PET). Ecuador uses Ecuador Time (ECT) for mainland, with the Galapagos Islands at UTC-6. For US Eastern Time teams, these countries offer perfect alignment. See our guides to hiring in Colombia and hiring in Peru.
What Time Zone Is Argentina, Brazil, and Uruguay?
Argentina, Brazil (most regions), and Uruguay all use UTC-3. None observe DST anymore.
Brazil spans four time zones due to its size. Brasilia Time (BRT) at UTC-3 covers Sao Paulo, Rio de Janeiro, and the capital. Amazon Time (AMT) at UTC-4 covers western states. Acre Time (ACT) at UTC-5 covers the far west. Fernando de Noronha Time (FNT) at UTC-2 covers Atlantic islands.
Argentina uses UTC-3 nationwide despite geographically belonging in UTC-4. This aligns business hours with Brazil. For hiring details, see our guides to hiring in Argentina and hiring in Brazil.
How Many Time Zones Does Argentina Have?
Argentina has one time zone. Argentina Time (ART, UTC-3) covers all 23 provinces plus Buenos Aires, so Cordoba, Mendoza, and Ushuaia all share the capital’s clock. Argentina’s official time is UTC-3 with no daylight saving: the country stopped changing clocks in 2009, and San Luis, the last province that kept its own schedule, rejoined national time in 2010.
For US teams this makes Argentina one of the simplest countries on the continent to schedule against. Buenos Aires runs one hour ahead of US Eastern during northern summer and two hours ahead in winter, every day of the year.
What Time Zone Is Chile?
Chile has three different time rules due to its length. Mainland Chile uses UTC-4 standard and shifts to UTC-3 during DST (September to April). The Magallanes region stays on UTC-3 year-round. Easter Island uses UTC-6/UTC-5 with DST.
When scheduling with Chile, verify whether your contact is in Santiago or Punta Arenas. The Magallanes exception catches many people off guard. Beyond scheduling, Chile’s regulatory stability makes it a strong recruiting market, as our guide to recruitment in Chile explains.
Which Time Zone Does Central America Use?
Every Central American country except Panama runs on UTC-6, the same offset as US Central Time, year-round. Panama uses UTC-5 and matches US Eastern. No Central American country observes daylight saving.
| Country | Time Zone | UTC Offset | DST? |
|---|---|---|---|
| Guatemala | CST | UTC-6 | No |
| Belize | CST | UTC-6 | No |
| El Salvador | CST | UTC-6 | No |
| Honduras | CST | UTC-6 | No |
| Nicaragua | CST | UTC-6 | No |
| Costa Rica | CST | UTC-6 | No |
| Panama | EST | UTC-5 | No |
That single fixed offset is one reason Central America works so well for US support and back-office teams. Four of the region’s countries are core NBS hiring markets: see our guides to hiring in Costa Rica, El Salvador, Honduras, and Nicaragua.
What Are the Time Zones of North America?
The United States, Canada, and Mexico split into more zones than the rest of the hemisphere combined. The contiguous US uses four (Eastern, Central, Mountain, Pacific), with Alaska and Hawaii adding two more. Canada runs from Newfoundland’s unusual UTC-3:30 to Pacific UTC-8. Mexico uses four zones and ended DST for most of the country in 2022.
| Region | Standard Time | Daylight Saving |
|---|---|---|
| US: Eastern | UTC-5 | UTC-4 (Mar-Nov) |
| US: Central | UTC-6 | UTC-5 (Mar-Nov) |
| US: Mountain | UTC-7 | UTC-6 (Arizona stays UTC-7) |
| US: Pacific | UTC-8 | UTC-7 (Mar-Nov) |
| US: Alaska | UTC-9 | UTC-8 (Mar-Nov) |
| US: Hawaii | UTC-10 | No DST |
| Canada: Newfoundland | UTC-3:30 | UTC-2:30 (Mar-Nov) |
| Canada: Atlantic to Pacific | UTC-4 to UTC-8 | One hour forward in most areas |
| Mexico: Zona Sureste (Quintana Roo) | UTC-5 | No DST |
| Mexico: Zona Centro (most states) | UTC-6 | No DST since 2022 |
| Mexico: Zona Pacifico | UTC-7 | No DST (Sonora never observed it) |
| Mexico: Zona Noroeste (Baja California) | UTC-8 | UTC-7 (follows the US schedule) |
US and Canadian clocks move one hour forward from March to November. Sonora, Arizona, Hawaii, and most of Mexico stay fixed year-round. Quintana Roo (Cancun) uses UTC-5, which puts it on permanent US Eastern Standard Time.
Does South America Observe Daylight Saving Time?
Most South American countries do not observe DST. Brazil eliminated it in 2019. Paraguay followed in October 2024. Argentina and Uruguay stopped years earlier. Only Chile still changes clocks.
Countries near the equator never adopted DST. Colombia, Ecuador, Peru, and Venezuela have consistent daylight year-round, making clock changes pointless.
North America follows the opposite pattern: the US and Canada shift clocks every March and November. Mexico dropped the practice in 2022 and kept DST only in the region along the US border. Chile changes clocks on the southern-hemisphere calendar, so its summer time runs during the North American winter.
Current DST status:
- Chile (mainland): DST from first Saturday of September to first Saturday of April (UTC-4 to UTC-3)
- US and Canada: DST from March to November in most areas
- Everyone else in the Americas: No DST (Paraguay ended DST in October 2024; Mexico ended it for most states in 2022)
For companies hiring remote talent, this stability is a major advantage. Fixed time zones mean predictable scheduling year-round.
Why Do South American Time Zones Matter for US Tech Companies?
Time zone alignment is the core advantage of hiring in Latin America, whether you are building a staff augmentation team or an outsourced support desk. LATAM teams provide 6-8 hours of daily overlap with US time zones. Asia-based teams offer 0-2 hours.
This overlap drives measurable business outcomes:
- Nearshore teams typically respond within a couple of hours during the shared workday, while offshore responses often wait until the next business day
- 25% fewer revision cycles due to real-time clarification
- 40% faster product release cycles
- Project success rates of 80% (nearshore) versus 60% (offshore)
How Much Overlap Do US Teams Get with LATAM?
US Eastern Time teams get 6-8 hours of overlap with most LATAM countries. Colombia and Peru align with US Eastern Standard Time at zero-hour difference. That Eastern-time edge is a decisive factor when choosing between Colombia and Argentina, which our Argentina vs Colombia hiring comparison weighs in full. For US teams ready to turn that overlap into headcount, our guide to hiring engineers in Peru via EOR covers mandatory benefits, payroll, and provider costs.
| US Time Zone | Best LATAM Match | Overlap Hours |
|---|---|---|
| Eastern (EST) | Colombia, Peru (UTC-5) | 8 hours (100%) |
| Eastern (EST) | Argentina, Brazil (UTC-3) | 6 hours |
| Central (CST) | Mexico, Costa Rica (UTC-6) | 8 hours (100%) |
| Central (CST) | Colombia (UTC-5) | 7 hours |
| Pacific (PST) | Mexico (UTC-6) | 7 hours |
| Pacific (PST) | Colombia (UTC-5) | 5 hours |
| Pacific (PST) | Argentina, Brazil (UTC-3) | 3 hours |
US Central Time teams get the best alignment with Mexico and Costa Rica (both UTC-6). For a complete overview, see our guide to hiring developers in Latin America. Specialized roles like AI and ML engineers follow the same overlap math when you are comparing candidates across countries.
What Is Cost-Per-Overlapping-Hour?
Cost-per-overlapping-hour reveals the true cost of collaboration beyond the hourly rate. This math is easiest to see with backend developer hires, where a few extra overlapping hours can be worth more than a lower rate. The formula: hourly rate divided by percentage of workday overlap.
Example comparison:
- Offshore developer at $30/hour with 1 hour overlap = $240 per collaborative hour
- Nearshore developer at $65/hour with 7 hours overlap = $74 per collaborative hour
Higher hourly rates do not mean higher collaboration costs. Overlap drives efficiency.
What Is the Golden Window for Cross-Continental Meetings?
The Golden Window is 1:00 PM to 3:00 PM EST. During this 2-hour block, teams from San Francisco to Montevideo are simultaneously active.
Schedule mission-critical meetings during this window. Reserve non-overlapping hours for deep work. This eliminates the late-night and early-morning calls that offshore models require.
For a deeper comparison of nearshore vs offshore models, see our analysis of nearshore vs offshore development.
How Do You Schedule Meetings Across South American Time Zones?
Start by identifying your overlap window. For US teams, this is typically mid-morning to early afternoon local time for LATAM partners.
What Tools Help Track Multiple Time Zones?
Let technology handle conversions. Manual calculations fail when DST is involved.
Recommended tools:
- World Time Buddy: Visual overlap calculator for multiple cities
- Google Calendar: Display multiple time zones and set working hours
- Calendly: Automatically shows availability in recipient’s local time
- Slack/Teams: Status indicators showing local time and availability
Configure calendar apps to display your team’s time zones. Enable “working hours” settings to prevent scheduling outside overlap windows.
What Communication Rules Work Best for Distributed Teams?
Define core hours when everyone must be available. A four-hour window (e.g., 11 AM to 3 PM EST) works for most US-LATAM teams.
Essential ground rules:
- Reserve synchronous time for decisions and architectural discussions
- Move routine updates to async channels
- Set 24-hour response expectations for non-urgent items
- Document everything in a shared hub (Notion, Confluence)
- Use async video tools like Loom to reduce meeting load by up to 62%
Frequently Asked Questions About South American Time Zones
Quick answers to the most common time zone questions for scheduling with South American teams.
How Many Time Zones Does Brazil Have?
Brazil has four time zones. Brasilia Time (UTC-3) covers major cities like Sao Paulo and Rio. Amazon Time (UTC-4) covers western states. Acre Time (UTC-5) covers the far west. Fernando de Noronha Time (UTC-2) covers Atlantic islands. Brazil eliminated DST in 2019.
Why Does Argentina Use UTC-3?
Argentina chose UTC-3 to align business hours with Brazil, its largest trading partner. Geographically, most of Argentina belongs in UTC-4. The practical benefit: more evening daylight and synchronized schedules with Brazilian companies.
Which South American Countries Still Use Daylight Saving Time?
Only Chile still observes DST. Chile changes clocks from September to April. Paraguay discontinued DST in October 2024 and now uses UTC-3 year-round. All other South American countries use fixed time zones.
How Many Time Zones Are in the Americas?
The Americas cover ten standard UTC offsets: UTC-2 (Brazil’s Fernando de Noronha), UTC-3, UTC-3:30 (Newfoundland), UTC-4, UTC-5, UTC-6, UTC-7, UTC-8, UTC-9 (Alaska), and UTC-10 (Hawaii). Mainland South America uses only three of them (UTC-5 to UTC-3), which is why scheduling against LATAM is so much simpler than the zone count suggests.
Is All of Central America in the Same Time Zone?
Almost. Guatemala, Belize, El Salvador, Honduras, Nicaragua, and Costa Rica all use UTC-6 year-round. Panama is the exception at UTC-5. None of the seven observe daylight saving.
Is Brazil Ahead of US Eastern Time?
Yes. Sao Paulo, Rio, and Brasilia (UTC-3) run 1 hour ahead of US Eastern from March to November, when US clocks are on daylight saving, and 2 hours ahead the rest of the year. Brazil itself no longer changes clocks.
Is Colombia in the Same Time Zone as New York?
Colombia stays on UTC-5 all year, which is exactly US Eastern Standard Time. From November to March, Bogota and New York show the same time. From March to November, US daylight saving puts New York 1 hour ahead. The same applies to Peru and mainland Ecuador.
Is LATAM the Same as South America?
No. LATAM (Latin America) covers Mexico, Central America, the Spanish- and Portuguese-speaking Caribbean, and South America. That is why LATAM time zones run from UTC-8 in Baja California to UTC-3 in Argentina and Brazil, a wider spread than South America’s UTC-5 to UTC-3.
What Time Zone Is Best for US Companies Hiring Remotely?
For US Eastern Time: Colombia and Peru (UTC-5) offer perfect alignment. For US Central Time: Mexico and Costa Rica (UTC-6) match exactly. For US Pacific Time: Mexico offers the best overlap at 7 hours. Argentina and Brazil work for morning-heavy schedules. The same logic applies to support roles: see our guide to hiring customer service professionals in LATAM for coverage models built around overlap.
Do LATAM Developers Work US Holidays?
LATAM countries have different national holidays than the US. Your team may be available on Thanksgiving or July 4th, while taking local holidays you might not expect. Coordinate holiday calendars during onboarding to avoid surprises.
Ready to Build Your LATAM Engineering Team?
Nearshore Business Solutions connects you with vetted developers across Latin America. Our remote talent acquisition process handles sourcing, vetting, and placement. You focus on building your product. Our developers are pre-screened for technical skills and English proficiency, with a 90-day replacement guarantee.
Get a free consultation to discuss your hiring needs and receive a custom quote.
