
Sunset & Timer Planner
Month-by-month sunset times for Spring, TX, with suggested timer settings and yearly run-hours.
| Month | Sunset (15th) | Sunrise | Lights on | Hours / night |
|---|
Calculated for Spring, TX (30.08° N, 95.42° W) with Central Time and daylight saving applied. An astronomical timer follows these shifts automatically.
Why sunset times matter for your timer
In Spring, Texas, sunset swings by roughly three hours across the year, from around 5:20 p.m. in early December to after 8:20 p.m. in late June. A fixed-time timer set in summer leaves your home dark for hours in winter.
Timer options compared
| Control | How it works | Watch out for |
|---|---|---|
| Mechanical timer | Fixed on/off times | Needs adjusting through the seasons and after power outages |
| Photocell | Turns on when it gets dark | Runs dusk to dawn unless paired with a timer; can be fooled by shade or nearby lights |
| Astronomical timer | Calculates sunset for your location every day | Must be set to the right location and time zone |
| Smart / app control | Astronomical scheduling plus zones, dimming and remote control | Needs reliable Wi-Fi or a hub near the transformer |
Recommended schedules
- Architectural and tree lighting: about 15 minutes after sunset until 11 p.m. or midnight.
- Path and entry lighting: sunset until midnight, or later on a separate zone if you come home late.
- Patio lighting: on demand, or a short evening window.
Turning decorative layers off at a reasonable hour cuts energy use and reduces light spilling toward neighbors. Plug the yearly run-hours above into the energy cost calculator to see what your schedule costs, or let Spring Landscape Lighting set up smart controls with zones that follow the sun automatically.
Frequently asked questions
What time should landscape lights turn on?
Shortly after sunset, typically 10 to 20 minutes, when the sky has dimmed enough for the lighting to read. An astronomical timer handles this automatically.
Should landscape lights stay on all night?
Most decorative lighting does not need to. Many homeowners keep only a few path or entry lights on later for safety and turn everything else off at 11 p.m. or midnight.
Do I need to change my timer for daylight saving time?
Mechanical timers usually do. Most astronomical and smart timers adjust automatically, but it is worth checking after the time change and after any power outage.

Ready to see your home in a new light?
Let’s design an outdoor space you’ll love after dark.