🇵🇹 Lisbon, Portugal
40
- Western European Summer Time
- UTC+1
- Golden hour
☀️ 07:49 · 🌙 18:56 · 11 h 7 min
Lisbon to Herndon, VA: time difference
Herndon, VA is 5 h behind Lisbon. 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.
Lisbon 08:31 8:31 AM Herndon, VA 03:31 3:31 AM You –:–
08:31 8:31 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
03:31 3:31 AM
Eastern Daylight Time · UTC-4
☀️ 07:23 · 🌙 18:28
·
−5 h
Herndon, VA is 5 h behind Lisbon.
When you, Lisbon and Herndon, VA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇺🇸 Herndon, VA
19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Herndon, VA |
|---|---|---|
| Local time | 08:31 | 03:31 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Eastern Daylight Time |
| UTC offset | UTC+1 | UTC-4 |
| Offset from Lisbon | — | −5 h |
| IANA zone | Europe/Lisbon | America/New York |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:49 | 07:23 |
| Sunset | 18:56 | 18:28 |
| Daylight | 11 h 7 min | 11 h 6 min |
| People on this clock | 545,923 | 24,655 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Herndon, VA: common questions
What is the time difference between Lisbon and Herndon, VA?
Herndon is 5 hours behind: it uses UTC−4, while Lisbon is on UTC+1.
If it is 9:00 AM in Lisbon, what time is it in Herndon, VA?
At 9:00 AM in Lisbon, clocks in Herndon show 4:00 AM.
What time is it in Herndon, VA, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 1:00 PM in Herndon.
When do working hours in Lisbon and in Herndon, VA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 1:00 PM in Herndon.
When does the date change in Herndon, VA, compared with Lisbon?
The new day starts in Herndon later: until 5:00 AM in Lisbon, it is still the previous day there. From 7:00 PM in Herndon, Lisbon is already on the next day.
Is the time difference between Lisbon and Herndon, VA, the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From October 25, 2026, Herndon will be 4 hours behind Lisbon.
