Santiago to Chattanooga, TN: time difference
Chattanooga, TN is 1 h behind Santiago. 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.
Santiago 18:15 6:15 PM Chattanooga, TN 17:15 5:15 PM You –:–
18:15 6:15 PM
Chile Summer Time · UTC-3
☀️ 06:56 · 🌙 20:00
17:15 5:15 PM
Eastern Daylight Time · UTC-4
☀️ 07:52 · 🌙 19:01
·
−1 h
Chattanooga, TN is 1 h behind Santiago.
When you, Santiago 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
🇨🇱 Santiago
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
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 19 7 PM 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇱 Santiago | 🇺🇸 Chattanooga, TN |
|---|---|---|
| Local time | 18:15 | 17:15 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Chile Summer Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Santiago | — | −1 h |
| IANA zone | America/Santiago | America/New York |
| Daylight saving | On summer time → UTC-4, Apr 3, 23:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:56 | 07:52 |
| Sunset | 20:00 | 19:01 |
| Daylight | 13 h 4 min | 11 h 9 min |
| People on this clock | 6,139,087 | 176,588 |
Compare Santiago with another city
More comparisons with Santiago: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Santiago and Chattanooga, TN: common questions
How many hours behind Santiago is Chattanooga, TN?
The clocks in Chattanooga are 1 hour behind those in Santiago (UTC−4 and UTC−3).
If it is 9:00 AM in Santiago, what time is it in Chattanooga, TN?
At 9:00 AM in Santiago, clocks in Chattanooga show 8:00 AM.
If it is 6:00 PM in Santiago, what time is it in Chattanooga, TN?
At 6:00 PM in Santiago, clocks in Chattanooga show 5:00 PM.
When is a good time to call Chattanooga, TN, from Santiago?
Between 10:00 AM and 6:00 PM in Santiago – that is 9:00 AM to 5:00 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 1:00 AM in Santiago it is still the previous day in Chattanooga. The other way round, from 11:00 PM in Chattanooga it is already the next day in Santiago.
Does the time difference between Santiago and Chattanooga, TN, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Chattanooga will be 2 hours behind Santiago.
