Natural Light & the Magic Hours

Four attributes of light

Every lighting decision reduces to colour, intensity, quality (hard/soft) and direction. Learn to name what you're looking at and the settings follow.

Colour temperature through the day

Light	When	Use it for
Golden ~3500K	Sunrise and sunset	Silhouettes, rim light, warm pastel mood
Midday 5000–6500K	Central hours	High contrast, deep shadow shapes, vivid colour — but highlights and shadows may lack detail
Overcast ~7000K	Heavily clouded sky	Melancholic or sombre mood, even detail — needs a strong subject to carry it
Pale blue ~10000K	15–30 min before sunrise / after sunset	Moody, ethereal; mix with orange street light for complementary contrast
Violet-blue ~12000K	Twilight	Cold, mysterious, other-worldly — watch the shutter, intensity is low

Colour temperature is the colour of the source. White Balance works in the opposite direction — a higher White Balance number gives a warmer image.

Intensity and quality

• Hard light — small source: clear sky, high sun, low latitude, summer, midday. Crisp shadow edges, contrast beyond what the sensor holds. A polariser helps with dull colour; the rest is composition and processing.
• Soft light — large source: cloud, high latitude, winter, the beginning and end of the day. Gradual transitions; main risk is simply not enough light — mind the shutter, use the tripod.
• There is no bad light, only light that suits the picture or doesn't. Decide the image you want, then pick soft or hard.

Direction

Light direction controls shape, shadow length and therefore depth. With natural light, direction is a function of the time of day and the sun's position — so it's a planning decision, not a field one. Front light (sun behind you) is even and flat; side light reveals texture and volume; back light gives rim, silhouette and atmosphere.

Golden hour and blue hour — the actual definitions

Phase	Sun elevation
Golden hour (morning)	−4° up to +6°
Golden hour (evening)	+6° down to −4°
Blue hour (morning)	−6° up to −4° (just before golden hour)
Blue hour (evening)	−4° down to −6° (just after golden hour)
Civil twilight	−6° to sunrise / sunset to −6°
Nautical twilight	−6° to −12°
Astronomical twilight	−12° to −18°
Night	Below −18°

What each gives you

• Golden hour — sky moves red/orange → yellow/gold; soft, low-contrast light with no harsh shadows. Ideal for landscape. For moon work, look for a full moon rising or setting while the sun is between +0.5° and −6°.
• Blue hour — deep blue, cool, saturated, soft and directionless. Combine with a long exposure to smooth water and cloud. In a city, the balance point between blue sky and orange street light. Short — be quick.
• Civil twilight — still enough light to see and work; clouds run red through yellow.

Planning

Use PhotoPills' Sun Pill when you're standing at the location, and the Planner (Twilights layer, Panel 6) to check golden hour, blue hour and twilight start/end times for a location and date from home. Both give exact times — the magic hours are too short to guess at.

Consolidated from references: PhotoPills, Mastering Golden Hour, Blue Hour and Natural Light Photography.