Short Days on the Job Site: Daylight, Temporary Lighting, and Work Hours for Middle Tennessee Crews This Winter

Clocks fell back on Sunday, November 1, and Middle Tennessee job sites lost their late-afternoon hour of light. In Nashville the sun set at 4:50 p.m. on November 1, it sets at 4:43 p.m. today, and by Thanksgiving week it will be down around 4:34 p.m. The earliest sunsets of the year, about 4:32 p.m., land in the first week of December, and sunrise keeps sliding later until it reaches about 6:57 a.m. at the end of December.

That shorter window changes how a crew should plan the day. It affects when materials can safely be unloaded and staged, how much work fits between first light and the end of usable daylight, what temporary lighting the site needs, and how close the workday runs to local construction-hour limits. This guide pulls those pieces together for builders and remodelers working across the Midstate this winter.

How much daylight you actually have

Sunrise and sunset don't tell the whole story. Civil twilight, the period when there is usually still enough natural light to work outdoors without artificial lighting, adds roughly half an hour on each end. For Nashville, timeanddate.com's tables show:

• November 9: sunrise 6:17 a.m., sunset 4:43 p.m., civil twilight from about 5:50 a.m. to 5:10 p.m., and about 10 hours 26 minutes of daylight.
• November 25: sunrise 6:33 a.m., sunset 4:34 p.m., civil twilight ending about 5:01 p.m., and almost exactly 10 hours of daylight.
• December 5 and 6: the earliest sunsets of the year, about 4:32 p.m.
• December 21 (winter solstice): sunrise 6:54 a.m., sunset 4:36 p.m., and about 9 hours 42 minutes of daylight, the shortest day of the year.

Southern Middle Tennessee runs within a few minutes of those numbers, but terrain matters more than latitude on a lot of lots. A house site in a hollow or on the east side of a ridge can lose direct sun well before official sunset, and a deep wooded lot can feel like dusk by mid-afternoon. Walk the site at 3:30 p.m. one day this month and look at where the shadows actually fall before you set the schedule.

Plan the day backward from dark

In summer, a crew can start late and still finish a task in good light. From now through January, the useful approach is to work backward from the time it gets dark.

• Put the critical outdoor work in the middle of the day. Roofing, siding, setting trusses, pouring and finishing, and anything at height go best between mid-morning and mid-afternoon, when light is best and frost and dew have usually burned off.
• Save interior work for the ends of the day. Trim, drywall finishing, cabinet installation, and rough-in inspections can run under temporary lights once the light outside fades.
• Stop starting things at 3:00 p.m. A task that can't be finished, covered, or made weather-tight before dark should usually wait until the next morning. A half-shingled roof slope or a stack of unwrapped sheathing at dusk is how materials get wet or blown around overnight.
• Leave time for cleanup and securing the site. Picking up cords, covering material, locking boxes, and walking the site for trip hazards takes longer in the dark. Plan to start it while you can still see.

Lighting the job site to OSHA's minimums

When work continues after natural light fades, OSHA's construction standard sets minimum light levels. Under 29 CFR 1926.56, construction areas, ramps, runways, corridors, offices, shops, and storage areas must be lit to the minimums in Table D-3 "while any work is in progress." Some of the values that matter most on residential and light commercial jobs:

• 5 foot-candles for general construction area lighting, and indoors in warehouses, corridors, hallways, and exitways.
• 3 foot-candles for general construction areas, concrete placement, excavation and waste areas, access ways, active storage areas, loading platforms, refueling, and field maintenance areas.
• 10 foot-candles for general construction plant and shops, including carpenter shops, mechanical and electrical equipment rooms, and active store rooms.
• 30 foot-candles for first aid stations, infirmaries, and offices.

These are minimums for safety, not good working light. Finishing drywall, cutting trim, or checking a level line generally calls for much more light than the minimum, and a crew will work faster and redo less with it. An inexpensive handheld light meter, or even a light-meter phone app as a rough check, will tell you whether a stairwell or a back bedroom is anywhere near the required level.

Temporary lighting and cords: the rules that apply

Most of the temporary lighting on a winter job is portable work lights, string lights, and cords run from a temporary power pole or the house panel. OSHA's temporary wiring rules in 29 CFR 1926.405(a)(2) cover them. Some of the requirements that come up most often:

• Guard the lamps. All lamps for general illumination must be protected from accidental contact or breakage, and metal-case sockets must be grounded.
• Don't hang lights by their cords unless the cord and light are designed to be hung that way.
• Use hard-usage cords. Extension cords used with portable tools, and flexible cords used with temporary and portable lights, must be designed for hard or extra-hard usage. OSHA's note points to cord types such as S, ST, SO, STO, SJ, SJO, SJT, and SJTO. Those cords must also be durably marked with their type, size, and number of conductors.
• Protect cords at pinch points. Cords may pass through doorways or other pinch points only if they are protected from damage. Branch-circuit conductors can't be laid on the floor.
• Use low-voltage or GFCI-protected lights in wet locations. Portable lighting in wet or conductive locations must run at 12 volts or less, or 120-volt lights may be used if they are protected by a ground-fault circuit interrupter.
• Take it down when it's done. Temporary wiring must be removed as soon as construction, or the purpose it was installed for, is complete.

Separately, OSHA's 29 CFR 1926.404(b)(1) requires employers to protect workers from ground faults on construction sites, either with GFCIs on the 120-volt, 15- and 20-amp receptacle outlets that aren't part of the building's permanent wiring, or with an assured equipment grounding conductor program. Winter makes this more important, not less: wet ground, frost, melting snow, and condensation on cords and tools all raise the risk of a shock.

What has changed about work lights

LED work lights have mostly replaced halogen on job sites, and for winter jobs that's a real improvement. LEDs draw much less power, which matters when several lights share a temporary circuit with saws and heaters. They also run far cooler than halogen, which reduces the fire risk around insulation, house wrap, sawdust, and drop cloths.

A few practical notes for winter:

• Battery lights are cord-free but have limits. Cordless area lights on the same battery platform as your tools remove trip hazards, but runtime drops in cold weather. Keep spare batteries in the truck cab or a heated space, not on the subfloor overnight.
• Aim lights to avoid glare. One bright light pointed at a crew from a low angle creates hard shadows and glare. Two or more lights from different directions, mounted higher, light a room more evenly.
• Light the path, not just the work. Exterior stairs, ramps, the path to the dumpster, and the walk back to the trucks are where people get hurt at 5:15 p.m. Those are the areas covered by the 3 and 5 foot-candle minimums above.

Know your local construction-hour limits

Shorter days push some crews to start earlier or stay later, and that runs into local rules. In Nashville and Davidson County, Metropolitan Code Section 9.30.010 makes it unlawful to do outdoor construction, repair, or demolition between 7:00 p.m. and 7:00 a.m. on most parcels, except those zoned IWD, IR, and IG. The window shifts to 8:00 p.m. to 6:00 a.m. in June, July, and August, and several Downtown Code subdistricts follow different rules. Metro's code also lists exceptions, and contractors can apply to the Department of Codes Administration for a variance permit.

The rule applies to outdoor construction, so interior work under temporary lights in an enclosed building is treated differently. Counties and cities outside Davidson County, including Lawrence, Maury, Giles, Williamson, and Rutherford counties and the towns in them, set their own rules or have none. Check with the local codes office before you plan an early start or a late finish, and check any subdivision or HOA rules too, since those often go further than the city.

Deliveries and material pickups in winter light

Unloading and staging materials in the dark is where damage and injuries happen: a bundle of siding set down on a slope, a pallet of shingles dropped short of the pad, or lumber stacked on wet ground that nobody can see.

• Schedule deliveries and pickups for mid-day. Give yourself enough daylight to unload, check the order, stack it on dunnage, and cover it.
• Mark the drop spot before the truck arrives. A flag or a cone on a level, firm spot near the work area saves time and keeps material out of mud and low spots.
• Check the order in good light. Counting pieces and checking for damage is far easier at noon than with a headlamp, and problems are easier to sort out the same day.
• Cover everything before you leave. Frost and overnight dew in November soak uncovered material even on dry days.

A quick checklist for the rest of the season

• Note this week's sunset and civil twilight times for your area and post them where the crew can see them.
• Move roofing, siding, and work at height into the middle of the day.
• Stop starting outdoor tasks that can't be finished or covered by mid-afternoon.
• Inventory your work lights and cords, and retire any cord that's damaged, spliced improperly, or not rated for hard usage.
• Make sure temporary receptacles have GFCI protection, or that your assured grounding program is current.
• Light stairs, ramps, and walkways as well as the work area.
• Confirm construction-hour rules for each job's city or county before planning an early start or a late finish.
• Schedule deliveries and pickups for mid-day so material can be checked, stacked, and covered in daylight.

Stock up for winter work with Music City Building Supply

Music City Building Supply is located at 504 Holtsford St, Lawrenceburg, TN 38464. If you're planning interior work for the short days ahead, stop by or visit musiccitybuildingsupply.com to see what's currently available, and plan your pickup for mid-day so you have the daylight to load, check, and cover your materials.

Sources referenced: timeanddate.com, Sunrise and Sunset in Nashville, Tennessee, November and December 2026; OSHA 29 CFR 1926.56, Illumination (Table D-3); OSHA 29 CFR 1926.405, Wiring methods, components, and equipment for general use; OSHA 29 CFR 1926.404, Wiring design and protection; Metropolitan Code of Nashville and Davidson County, Section 9.30.010, Construction sites, restrictions.