Chattanooga, TN to Santiago: time difference
Santiago is 1 h ahead of Chattanooga, TN. 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.
Chattanooga, TN 17:15 5:15 PM Santiago 18:15 6:15 PM You –:–
17:15 5:15 PM
Eastern Daylight Time · UTC-4
☀️ 07:52 · 🌙 19:01
18:15 6:15 PM
Chile Summer Time · UTC-3
☀️ 06:56 · 🌙 20:00
·
+1 h
Santiago is 1 h ahead of Chattanooga, TN.
When you, Chattanooga, TN and Santiago are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Chattanooga, TN
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
🇨🇱 Santiago
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
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Time zones side by side
| Detail | 🇺🇸 Chattanooga, TN | 🇨🇱 Santiago |
|---|---|---|
| Local time | 17:15 | 18:15 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Chile Summer Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Chattanooga, TN | — | +1 h |
| IANA zone | America/New York | America/Santiago |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-4, Apr 3, 23:00 |
| Sunrise | 07:52 | 06:56 |
| Sunset | 19:01 | 20:00 |
| Daylight | 11 h 9 min | 13 h 4 min |
| People on this clock | 176,588 | 6,139,087 |
Compare Chattanooga, TN with another city
More comparisons with Chattanooga, TN: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Chattanooga, TN and Santiago: common questions
What is the time difference between Chattanooga, TN, and Santiago?
Santiago is 1 hour ahead: it uses UTC−3, while Chattanooga is on UTC−4.
If it is 9:00 AM in Chattanooga, TN, what time is it in Santiago?
At 9:00 AM in Chattanooga, clocks in Santiago show 10:00 AM.
If it is 6:00 PM in Chattanooga, TN, what time is it in Santiago?
At 6:00 PM in Chattanooga, clocks in Santiago show 7:00 PM.
When is a good time to call Santiago from Chattanooga, TN?
Between 9:00 AM and 5:00 PM in Chattanooga – that is 10:00 AM to 6:00 PM in Santiago – both places are within working hours (9:00 AM–6:00 PM).
From what time in Chattanooga, TN, is it tomorrow in Santiago?
Once it is 11:00 PM in Chattanooga, the date in Santiago has already changed. Until 1:00 AM in Santiago, it is still the previous day in Chattanooga.
Does the time gap between Chattanooga, TN, and Santiago change during the year?
Yes, because the clocks in Chattanooga and in Santiago change on different dates. Next change: from November 1, 2026, Santiago will be 2 hours ahead of Chattanooga.
