All cities

Chattanooga

UTC−4

United States · EDT

Summer
20:44:52Live

Mon, 14 Sept 2026

00:00↑ 06:30↓ 21:0024:00
Sunrise
06:30
Sunset
21:00
Daylight
14.5hrs
Population
185K
Season
Summer
Next full moon
14 Jul
Buck Moon

Timezone Guide

Chattanooga, United States runs on UTC−4. Clocks move forward each spring and back each autumn: UTC−5 in winter, UTC−4 in summer. Next change: 2 Nov. Chattanooga and New York currently share the same clock. Standard 9-to-6 working hours overlap for about 9 hours a day with New York. A good time to connect: 09:00–18:00 in Chattanooga lines up with 09:00–18:00 in New York. There is a 5-hour difference between Chattanooga and London. Standard 9-to-6 working hours overlap for about 4 hours a day with London. A good time to connect: 09:00–13:00 in Chattanooga lines up with 14:00–18:00 in London. There is a 13-hour difference between Chattanooga and Tokyo. Standard working hours don't overlap at all with Tokyo, so meetings need an early or late slot on one side. This timezone is also shared with cities such as Toronto, Caracas, Havana. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Chattanooga.

Practical Info

Chattanooga (United States) is home to roughly 185K people. Today brings about 14.5 hours of daylight: sunrise at 06:30, sunset at 21:00. Clocks move forward each spring and back each autumn: UTC−5 in winter, UTC−4 in summer. Next change: 2 Nov. It sits in the Northern Hemisphere, about 35° north of the equator. Traffic drives on the right.

Flag

United States

United States

Capital

Washington, D.C.

Continent

North America

Time Zone

EDT · America/New_York

Coordinates

35.05°N, 85.31°W

Currency

USD ($)

Calling Code

+1

Driving Side

Right

Hemisphere

Northern

Language

English

Measurement System

Imperial

Did You Know?

America's First Municipal Gigabit Internet

Chattanooga's city-owned utility built a fibre network offering 1 Gbps to every household in 2010, the first US city to do so, using a federal smart-grid grant. It later upgraded to 10 Gbps.

The clock: Chattanooga keeps Eastern Time. Lookout Mountain above it has a claim, disputed and much advertised, that seven states are visible from the top.

Annual Daylight

J10hF10.9hM11.9hA13hM14hJ14.5hJ14.3hA13.5hS12.4hO11.4hN10.4hD9.8h

Working Hours

2h overlap
ChattanoogaUTC−4
06121824
Your locationUTC+3
06121824