Golden Hour Calculator
Calculate the start time of golden hour — the period of warm directional sunlight just before sunset — by subtracting 60 minutes from your local sunset time. Use it for landscape and portrait planning around the day's best natural light.
Last updated: May 2026
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About this calculator
The formula converts sunset clock time to minutes from midnight, then subtracts 60: goldenHourStart = (sunsetHour × 60 + sunsetMinute) − 60. The result is the start of golden hour in minutes from midnight (0–1440). Golden hour is conventionally defined as the hour before sunset when the sun is low in the sky (0–10° above horizon), producing warm color temperature (~3,200K vs midday ~5,500K), long soft shadows, and low-contrast directional light flattering for landscapes and portraits. Edge cases: the 60-minute window is a convention; the actual best light depends on latitude, season, weather, and subject. The same calculation applies in reverse for morning golden hour: 60 minutes after sunrise. "Blue hour" — the brief period of cool blue ambient light when the sun is 4–8° below the horizon — occurs roughly 20–40 minutes after sunset (or before sunrise) and is often more dramatic for cityscape photography than golden hour itself. Practical timing: arrive at your shooting location 30–60 minutes before golden hour starts to set up, scout angles, and warm up; the last 15 minutes before sunset are often the most magical, with the sun glowing orange-red on direct subjects. Apps like PhotoPills, The Photographer's Ephemeris (TPE), and SunCalc provide GPS-aware golden hour and blue hour timing for any date/location, plus shadow direction at any moment — useful for planning specific shots. Golden hour duration varies by latitude and season: at the equator it is short (~30 min total transition through low-angle light); at high latitudes (Iceland in summer) the sun stays low for hours producing extended golden light; near solstices vs equinoxes also matters. For winter shots in temperate latitudes, the entire afternoon can have golden-hour-like quality due to low sun angle.
How to use
Example 1 — Summer evening shoot. Sunset is 8:45 PM (20:45). Enter sunsetHour 20, sunsetMinute 45. Result: (20 × 60 + 45) − 60 = 1,245 − 60 = 1,185 minutes from midnight = 7:45 PM (19:45). ✓ Golden hour starts at 7:45 PM. Plan to arrive at 7:00 PM to set up, scout the location, and be ready for the 7:45 PM warm light to last until sunset at 8:45 PM. Continue shooting through blue hour (until ~9:15 PM) for cityscape and cool-tone shots. Example 2 — Winter sunset. Sunset is 4:30 PM (16:30). Enter sunsetHour 16, sunsetMinute 30. Result: (16 × 60 + 30) − 60 = 990 − 60 = 930 minutes = 3:30 PM. ✓ Golden hour starts at 3:30 PM in winter. Note that winter golden hour quality often extends backward 2–3 hours; the sun stays low in temperate latitudes all afternoon. Plan accordingly: a January portrait shoot in Boston might use 2:00–4:30 PM as the best light, while a June portrait might use only 6:30–8:30 PM.
Frequently asked questions
What exactly is golden hour and why does it matter?
Golden hour is the period right after sunrise or before sunset when sunlight passes through more atmosphere at low angles, producing several effects photographers value. First, color temperature shifts warm — from midday's ~5,500K to ~3,200K — giving everything a golden/orange cast. Second, shadows become long and directional, revealing texture and form better than the flat overhead light of midday. Third, contrast drops because atmospheric scattering softens highlights. Fourth, lens flare and ray effects become possible when shooting toward the sun. The result is photogenic light for almost any subject: portraits get flattering skin tones and rim light; landscapes get dramatic shadows and warm color; cityscapes get a sense of time and place. The "golden hour" name varies in duration — it is shortest at the equator and equinoxes (~30 minutes), longest at high latitudes in summer (hours). The exact start and end depends on what you mean: sun at 0–6° above horizon is classic golden; 6–10° is "warm hour"; 0–4° below horizon is blue hour.
How is golden hour different from blue hour?
Golden hour occurs when the sun is above the horizon at a low angle (typically 0–6° above), producing warm directional light with subjects illuminated by sunlight. Blue hour occurs after the sun has set below the horizon (typically 4–8° below) and before complete darkness; the sky is still ambient-lit but without direct sunlight, producing cool blue ambient light and balanced exposure for city lights and architecture. Practical sequence at sunset: golden hour 60 minutes before sunset → sunset at the horizon → 20–40 minutes after sunset is blue hour → astronomical twilight (full dark) by 60–90 minutes after sunset. Cityscape photographers often shoot specifically for blue hour because building lights, neon signs, and street lighting balance exposure with the ambient sky — at full dark, the lights blow out while the sky goes black, ruining the image. The "two captures" school: arrive at location early for daytime / golden hour establishing shots, stay through blue hour for cityscape work, leave when full dark drops contrast too far.
How long is golden hour at my location?
Varies by latitude and season. Near the equator, the sun rises and sets nearly vertically, so the transition through low angles is quick — golden hour is barely 30 minutes total. At mid-latitudes (Europe, US, southern Australia), golden hour lasts roughly 45–75 minutes around equinoxes, 30–90 minutes around solstices depending on which hemisphere. At high latitudes (Alaska, northern Scandinavia, Iceland in summer), the sun travels low across the sky for hours — golden hour can last 3–6 hours in midsummer, with the entire late afternoon and evening having golden-hour quality. In winter at high latitudes, the sun never rises high; the entire short day is golden-hour-like. Apps like PhotoPills, TPE, and SunCalc compute exact golden and blue hour durations for any GPS coordinates and date — use them rather than the simple 60-minute formula for serious planning. The 60-minute convention is most accurate at mid-latitudes during equinox.
What are the most common golden hour mistakes?
The biggest is arriving at the location at golden hour start instead of 30 minutes earlier — setting up tripod, scouting angles, and adjusting composition takes time, and the best light disappears fast. The second is shooting only when the sun is exactly setting and missing the warm light of the 30–60 minutes prior; some of the most flattering portrait light is at 30 minutes before sunset when the sun is still 5–10° above horizon, not at the horizon. The third is forgetting to keep shooting through blue hour after sunset; many photographers pack up at sunset and miss the city-light-balanced cityscapes that come 20–40 minutes later. The fourth is using auto-white-balance, which neutralizes the warm cast — set white balance to daylight (5500K) or warmer (6000K) to preserve the golden quality the eye sees. The fifth is over-correcting golden tones in post-processing toward neutral; the warm cast is the entire point of golden hour, leave it warm. The sixth is failing to scout in advance — knowing where the sun will set relative to your composition (apps with augmented reality previews help) makes the difference between a planned dramatic shot and a hopeful one. The seventh is shooting fixed-focal-length only; landscape compositions benefit from wide-angle for the sweep of warm sky and tighter telephoto for compressed sun-and-subject layered shots.
When should I not use this calculator?
Skip it for moonlight or astrophotography, where the relevant timing is moonrise/moonset, astronomical twilight end, or specific astronomical events — use Stellarium, PhotoPills, or astronomy apps instead. It is the wrong tool for fast-changing weather; on overcast days, the entire day is essentially diffused light with no defined golden hour. Do not use it for indoor photography where artificial light controls the look — golden hour outside is irrelevant if you are shooting inside a studio. For locations in or near the Arctic/Antarctic circles, the simple 60-minute formula breaks down during polar day or polar night periods; consult location-specific resources. For latitudes between roughly 23.5°N and 23.5°S during the equinoxes, golden hour is shorter than 60 minutes and the formula overestimates duration. And for very specific lighting requirements (e.g., shooting a particular wall at a particular angle), the precise sun position matters more than golden hour timing; use Photographer's Ephemeris or PhotoPills with their 3D shadow simulation to plan exact lighting and shadow placement at any moment.