How long does golden hour last? It depends on your latitude, not the clock.

Quick answer: Golden hour is not a fixed hour. It is the period when the sun sits low, roughly within 6 degrees of the horizon, and the light turns warm, soft and directional. How long that takes depends on how steeply the sun rises or sets where you are. At the equator it is about 25 minutes. At 40 degrees latitude it is about half an hour around the equinoxes. At 60 degrees it is closer to 50 minutes, and in high latitude summer it can stretch for hours.

Most advice online says to shoot “the hour after sunrise” or “the hour before sunset”, which is a fair rule of thumb and a poor schedule. In some places and seasons the good light is over in twenty minutes. In others it lingers long enough to walk a whole trail. The difference is geometry, and once you see it you can predict it for any place and date.

What the light is actually doing

Sunlight is warm and soft when it reaches you at a shallow angle, because it crosses far more atmosphere to get there. That longer path scatters out the blue and leaves the red and orange. It also spreads the light: a low sun is a large, gentle source raking across the scene instead of a hard point overhead.

Two things follow from the low angle, and both are what photographers mean by “golden”:

• Color. Warm, saturated light on everything it touches.
• Shadows. Long and directional, which gives faces and surfaces shape. The shadow length math shows how fast this grows: at 6 degrees of altitude a shadow is about 9.5 times the height of whatever casts it, so a 1.7 meter person throws a shadow of roughly 16 meters.

There is no official definition

Be wary of any source that gives golden hour a single exact definition. Photographers and apps draw the line in slightly different places, usually by sun altitude. A common choice is the sun being below about 6 degrees above the horizon, sometimes extended to a few degrees below it to include the glow just after sunset. Those choices move the start and end by a few minutes, not the overall picture.

What matters for planning is that the definition is an altitude, not a time. That is why the same rule gives different durations in different places.

Why latitude sets the length

The sun’s altitude changes at a rate that depends on the angle between its path and the horizon. Near the equator the sun drops almost straight down, so it crosses the low band quickly. Farther from the equator its path is slanted against the horizon, so it spends longer in the same band.

Around the equinoxes, flat horizon, the altitude changes at about 15 degrees per hour times the cosine of your latitude. Divide 6 degrees by that rate and you get the time for the sun to climb or fall through the golden band:

Latitude	Minutes for the sun to cover 6 degrees
0°	24
20°	26
30°	28
40°	31
50°	37
60°	48
66°	59

That is an approximation, not a timetable. It assumes an equinox, a clear flat horizon, and a steady rate of change, and it uses the 6 degree cut off above. Still, it explains the experience people have when they travel: golden hour in Singapore is brisk, golden hour in Edinburgh is leisurely.

Season changes it too

The table is for the equinoxes. Around the solstices the sun’s path is tilted further from or closer to the vertical, so the numbers move.

Summer at mid and high latitudes. The sun sets at a shallower angle, so golden hour gets longer. In far northern places in midsummer the sun may never climb high, and “golden hour” can last most of the evening.

Winter at mid and high latitudes. The sun’s whole arc is low. It may stay under 20 degrees all day, so the light is warm for hours at midday, but sunrise and sunset themselves can be abrupt in the polar extremes.

Near the tropics. The change through the year is small. A tropical golden hour is short and fairly consistent, which makes it easy to plan once you know it.

The practical rule: the farther you are from the equator, the more the season matters. Near the equator, check once. At 50 degrees and beyond, check for the actual date.

The horizon matters more than the math

The calculation assumes a flat, open horizon. Real places rarely have one.

• A hill or ridge to the west ends your evening golden hour early, because direct light is blocked while the sun is still a few degrees up.
• A valley or a city canyon can cut both ends of the day, leaving light on the upper floors and none on the street.
• Open water or flat plains give you the full calculated window.
• Cloud on the horizon can swallow the best part, and a clear band near the horizon with cloud above can make it spectacular.

So there are really two numbers: when the sun reaches the golden altitude, and when your particular view loses it. The second is the one that decides the shot.

The blue hour that follows

After sunset, and before sunrise, there is a quieter period when the sun is a few degrees below the horizon and the sky goes deep blue. Photographers call it blue hour. It is roughly the sun being between about 4 and 8 degrees below the horizon, and like golden hour it lasts longer at higher latitudes. It is worth knowing about because the two run back to back: the light you want next is often 20 to 40 minutes after the light you came for.

A way to check it with no app

You can see the altitude yourself with a straight stick and level ground. Stand it vertical and measure its shadow: when the shadow is about 9.5 times the stick’s height, the sun is near 6 degrees up. Compare that with the time on your watch for a few evenings and you will have your own local figure for how long the window lasts at that spot and that time of year.

Where Sollux fits

Sollux shows the live sun position, daylight and golden hour for your current location or a place you save, so you can check a spot before you drive to it. It also gives shadow length and direction, which tells you whether a building or a ridge will end the light early. Saved places stay on your iPhone and there is no account. The overview is at Sollux.

Frequently asked questions

How long does golden hour last?

Roughly 25 minutes at the equator, about 30 minutes at 40 degrees latitude near the equinoxes, and 50 minutes or more at 60 degrees. In high latitude summer it can last hours.

What sun angle is golden hour?

It is defined by altitude, usually the sun being within about 6 degrees of the horizon. Different sources and apps place the exact line a little differently.

Is golden hour the first or last hour of daylight?

It happens twice a day, after sunrise and before sunset. “An hour” is a rule of thumb. The real length depends on latitude and season.

Why is golden hour longer in summer at high latitudes?

The sun’s path meets the horizon at a shallower angle, so it takes longer to climb or fall through the same 6 degrees.

Does golden hour matter for shadows?

Yes. At 6 degrees of altitude a shadow is about 9.5 times the height of the object, so shadows are long and directional, which is part of the look.

What is blue hour?

The period when the sun is roughly 4 to 8 degrees below the horizon, just before sunrise or after sunset, when the sky turns deep blue. It follows golden hour in the evening and precedes it in the morning.