Look up the exact time darkness falls in Richardson, Texas 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 05:58 PM in Richardson
Sunrise
06:47 AM
Sunset
05:32 PM
Gets Dark
05:58 PM
Day Length
10h 45m
Richardson is losing 1m 43s of daylight per day
Darkness arrives earliest on December 2 at 5:47 PM and latest on June 28 at 9:08 PM, a swing of 3 h 21 min across the year.
The longest day brings 14 h 20 min of daylight and the shortest just 9 h 58 min. The earliest dusk comes about 19 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 29 min in midsummer. Near the equator it is only about 21 min year-round.
In Richardson, on 50 evenings it stays light until after 9 pm, while on 61 days it is dark before 6 pm.
Richardson sits toward the western side of its time zone, so the sun runs about 25 min behind the clock. That pushes sunsets later than in towns further east.
Richardson lies 3,668 km (2,279 miles) north of the equator at 32.99°N. That is almost the same latitude as San Diego, so both see a similar yearly rhythm of daylight.
This page shows exactly when it gets dark in Richardson, Texas, 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.
Richardson is located at latitude 32.99° and longitude -96.75°. 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 Richardson, 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 Richardson's exact coordinates.
The site also shows the daily daylight delta — how much daylight Richardson is gaining or losing each day — and a year-long daylight curve showing how day length rises and falls across all 365 days.