Alpharetta, GA to Lisbon: time difference
Lisbon is 5 h ahead of Alpharetta, GA. Live clocks for both, the working hours they share, and how each one sits against your own time.
+5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Alpharetta, GA 11:35 11:35 AM Lisbon 16:35 4:35 PM You –:–
11:35 11:35 AM
Eastern Daylight Time · UTC-4
☀️ 07:44 · 🌙 19:02
16:35 4:35 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
·
+5 h
Lisbon is 5 h ahead of Alpharetta, GA.
When you, Alpharetta, GA and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Alpharetta, GA
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
🇵🇹 Lisbon
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 1 1 AM 2 2 AM 3 3 AM 4 4 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Alpharetta, GA | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 11:35 | 16:35 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Alpharetta, GA | — | +5 h |
| IANA zone | America/New York | Europe/Lisbon |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:44 | 07:48 |
| Sunset | 19:02 | 18:57 |
| Daylight | 11 h 17 min | 11 h 9 min |
| People on this clock | 65,799 | 545,923 |
Compare Alpharetta, GA with another city
More comparisons with Alpharetta, GA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alpharetta, GA and Lisbon: common questions
What is the time difference between Alpharetta, GA, and Lisbon?
Lisbon is 5 hours ahead: it uses UTC+1, while Alpharetta is on UTC−4.
What time is it in Lisbon at the start of the working day in Alpharetta, GA?
The working day in Alpharetta starts at 9:00 AM; in Lisbon it is 2:00 PM at that moment.
If it is 6:00 PM in Alpharetta, GA, what time is it in Lisbon?
At 6:00 PM in Alpharetta, clocks in Lisbon show 11:00 PM.
Is there a time when both Alpharetta, GA, and Lisbon are at work?
Yes: from 9:00 AM to 1:00 PM in Alpharetta (2:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
From what time in Alpharetta, GA, is it tomorrow in Lisbon?
Once it is 7:00 PM in Alpharetta, the date in Lisbon has already changed. Until 5:00 AM in Lisbon, it is still the previous day in Alpharetta.
Is the time difference between Alpharetta, GA, and Lisbon 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, Lisbon will be 4 hours ahead of Alpharetta.
