Herndon, VA to Sao Paulo: time difference
Sao Paulo is 1 h ahead of Herndon, VA. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Herndon, VA 03:01 3:01 AM Sao Paulo 04:01 4:01 AM You –:–
03:01 3:01 AM
Eastern Daylight Time · UTC-4
☀️ 07:23 · 🌙 18:28
04:01 4:01 AM
Brasilia Standard Time · UTC-3
☀️ 05:32 · 🌙 18:13
·
+1 h
Sao Paulo is 1 h ahead of Herndon, VA.
When you, Herndon, VA and Sao Paulo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Herndon, VA
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇧🇷 Sao Paulo
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Herndon, VA | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 03:01 | 04:01 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Herndon, VA | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:23 | 05:32 |
| Sunset | 18:28 | 18:13 |
| Daylight | 11 h 6 min | 12 h 41 min |
| People on this clock | 24,655 | 11,451,999 |
Compare Herndon, VA with another city
More comparisons with Herndon, VA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Herndon, VA and Sao Paulo: common questions
How many hours ahead of Herndon, VA, is Sao Paulo?
The clocks in Sao Paulo are 1 hour ahead of those in Herndon (UTC−3 and UTC−4).
If it is 9:00 AM in Herndon, VA, what time is it in Sao Paulo?
At 9:00 AM in Herndon, clocks in Sao Paulo show 10:00 AM.
What time is it in Sao Paulo at the end of the working day in Herndon, VA?
The working day in Herndon ends at 6:00 PM; in Sao Paulo it is 7:00 PM at that moment.
When do working hours in Herndon, VA, and in Sao Paulo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Herndon, which is 10:00 AM to 6:00 PM in Sao Paulo.
When is it already the next day in Sao Paulo?
From 11:00 PM in Herndon, VA, it is already the next day in Sao Paulo. The other way round, until 1:00 AM in Sao Paulo it is still the previous day in Herndon.
Is the time difference between Herndon, VA, and Sao Paulo the same all year?
No. Only Herndon switches to summer time, so the gap changes twice a year. From November 1, 2026, Sao Paulo will be 2 hours ahead of Herndon.
