Time Difference: São Paulo vs New York

São Paulo (GMT-3) · New York (GMT-4)

São Paulo

GMT-3

--:--:--

New York

GMT-4

--:--:--

New York and São Paulo are in the same UTC offset

Time Difference

0h

São Paulo Offset

GMT-3

America/Sao_Paulo

New York Offset

GMT-4

America/New_York

Summary

São Paulo and New York share the same UTC offset

Business Hours Overlap (9 AM – 6 PM)

9 hours overlap during standard business hours in both cities.

São PauloNew YorkOverlap
9 AM9 AMBusiness hours
10 AM10 AMBusiness hours
11 AM11 AMBusiness hours
12 PM12 PMBusiness hours
1 PM1 PMBusiness hours
2 PM2 PMBusiness hours
3 PM3 PMBusiness hours
4 PM4 PMBusiness hours
5 PM5 PMBusiness hours
6 PM6 PMOutside

Did You Know? — São Paulo & New York

Time Zone Facts: São Paulo

  • São Paulo uses BRT (Brasília Time, UTC-3) and observes BRST (UTC-2) during Brazilian summer (roughly November to March) — note this is Southern Hemisphere summer, opposite to Northern Hemisphere DST timing.
  • The B3 exchange (Brasil, Bolsa, Balcão) in São Paulo opens at 10:00 AM BRT and closes at 6:00 PM BRT — in Eastern US time that's 9:00 AM–5:00 PM ET (standard), giving excellent overlap with US markets.
  • At 23.6°S, São Paulo is just south of the Tropic of Capricorn. Daylight hours range from about 11 hours in June (its winter) to 13.4 hours in December (its summer) — reversed from Northern Hemisphere cities.

Time Zone Facts: New York

  • New York City operates on EST (UTC-5) in winter and EDT (UTC-4) during Daylight Saving Time, which the US observes from the second Sunday in March to the first Sunday in November.
  • The New York Stock Exchange on Wall Street opens at 9:30 AM ET and closes at 4:00 PM ET — its trading hours set the pace for global equity markets each business day.
  • At 40.7°N latitude, New York sees dramatic daylight swings: just under 9 hours of daylight in late December and over 15 hours in late June.

Frequently Asked Questions

São Paulo and New York are in the same time zone offset, so there is no time difference between them.
There are 9 overlapping business hours (9 AM–6 PM) between São Paulo and New York. Scheduling during those hours ensures both parties are in their working day.
São Paulo and New York share the same UTC offset (GMT-3), so their workdays are completely synchronized — no conversion needed, identical real-time availability, and deadline alignment is automatic.
São Paulo observes GMT-3 (America/Sao_Paulo). A standard 9:00 AM–6:00 PM workday in São Paulo maps to specific UTC hours — use UTC-anchored deadlines when coordinating with São Paulo-based teammates to avoid confusion from local clock changes.
New York observes GMT-4 (America/New_York). A standard 9:00 AM–6:00 PM workday in New York maps to specific UTC hours — use UTC-anchored deadlines when coordinating with New York-based teammates to avoid confusion from local clock changes.
If {cityA} and {cityB} follow different DST schedules — common in North America–Europe, Southern Hemisphere, or no-DST pairings — the time difference shifts by 1 hour during each transition. The 1–3 weeks between the two cities' clock-change dates create a 'gap window' that frequently catches teams off guard. The difference displayed here is always live and accounts for current DST status.
The best time to call New York from São Paulo is during the 9-hour business-hours overlap window, when both cities are within their standard working day (9 AM–6 PM).
When it is midnight (00:00) in São Paulo, it is 12 AM in New York.
No — São Paulo and New York share the same UTC offset, so they are always on the same calendar date.
São Paulo observes America/Sao_Paulo (GMT-3). For async-first teams, the most reliable approach is anchoring shared deadlines in UTC rather than any local time, and defining each member's 'availability window' — typically 9:00 AM–6:00 PM America/Sao_Paulo for São Paulo. This eliminates confusion when DST transitions shift local clocks seasonally.
New York observes America/New_York (GMT-4). For async-first teams, the most reliable approach is anchoring shared deadlines in UTC rather than any local time, and defining each member's 'availability window' — typically 9:00 AM–6:00 PM America/New_York for New York. This eliminates confusion when DST transitions shift local clocks seasonally.
Yes — with 9 hours of overlapping business hours, São Paulo and New York teams can hold real-time standups and synchronous collaboration daily during that window.

From the Blog

Data verified by Arjun Mehta, Geospatial Engineer · Sources: IANA Time Zone Database · Methodology
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