Look up the exact time darkness falls in Chattanooga, Tennessee for any date of the year. Sunset times, civil dusk, full twilight schedule, and daylight changes.
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Today — Wednesday, November 4, 2026
It gets dark at 06:10 PM in Chattanooga
Sunrise
07:05 AM
Sunset
05:43 PM
Gets Dark
06:10 PM
Day Length
10h 39m
Chattanooga is losing 1m 52s of daylight per day
Darkness arrives earliest on December 4 at 5:57 PM and latest on June 27 at 9:29 PM, a swing of 3 h 32 min across the year.
The longest day brings 14 h 31 min of daylight and the shortest just 9 h 48 min. The earliest dusk comes about 17 days away from the shortest day, because Earth's oval orbit shifts solar noon through the year.
After sunset, twilight lasts about 25 min at the March equinox and stretches to 30 min in midsummer. Near the equator it is only about 21 min year-round.
In Chattanooga, on 96 evenings it stays light until after 9 pm, while on 28 days it is dark before 6 pm.
Chattanooga sits toward the western side of its time zone, so the sun runs about 39 min behind the clock. That pushes sunsets later than in towns further east.
Chattanooga lies 3,897 km (2,421 miles) north of the equator at 35.05°N. That is almost the same latitude as Tokyo, so both see a similar yearly rhythm of daylight.
This page shows exactly when it gets dark in Chattanooga, Tennessee, United States for any day of the year. The interactive tool above lets you pick any date to see the precise sunset time, civil dusk (when true darkness begins), and the full twilight schedule including nautical and astronomical dawn and dusk.
Chattanooga is located at latitude 35.05° and longitude -85.31°. The time darkness falls changes throughout the year based on Earth's axial tilt — earlier in winter, later in summer. Use the date picker above to check any date.
Whether you're planning trick-or-treating for Halloween, a fireworks display, an outdoor wedding, or an evening event in Chattanooga, knowing the exact time darkness falls is essential. This tool calculates civil dusk — when the sun drops 6 degrees below the horizon — for any date at Chattanooga's exact coordinates.
The site also shows the daily daylight delta — how much daylight Chattanooga is gaining or losing each day — and a year-long daylight curve showing how day length rises and falls across all 365 days.