Lisbon to Chattanooga, TN: time difference
Chattanooga, TN 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 16:32 4:32 PM Chattanooga, TN 11:32 11:32 AM You –:–
16:32 4:32 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:53
11:32 11:32 AM
Eastern Daylight Time · UTC-4
☀️ 07:52 · 🌙 19:01
·
−5 h
Chattanooga, TN is 5 h behind Lisbon.
When you, Lisbon and Chattanooga, TN 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
🇺🇸 Chattanooga, TN
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 | 🇺🇸 Chattanooga, TN |
|---|---|---|
| Local time | 16:32 | 11:32 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 07:51 | 07:52 |
| Sunset | 18:53 | 19:01 |
| Daylight | 11 h 2 min | 11 h 9 min |
| People on this clock | 545,923 | 176,588 |
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 Chattanooga, TN: common questions
What is the time difference between Lisbon and Chattanooga, TN?
Chattanooga is 5 hours behind: it uses UTC−4, while Lisbon is on UTC+1.
What time is it in Chattanooga, TN, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Chattanooga it is 4:00 AM at that moment.
If it is 6:00 PM in Lisbon, what time is it in Chattanooga, TN?
At 6:00 PM in Lisbon, clocks in Chattanooga show 1:00 PM.
When is a good time to call Chattanooga, TN, from Lisbon?
Between 2:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 1:00 PM in Chattanooga – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Chattanooga, TN?
Until 5:00 AM in Lisbon it is still the previous day in Chattanooga. The other way round, from 7:00 PM in Chattanooga it is already the next day in Lisbon.
Does the time difference between Lisbon and Chattanooga, TN, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Chattanooga will be 4 hours behind Lisbon.
