The 7 Stages of Twilight Every Photographer Should Know

If you only think in terms of "sunrise" and "sunset", you are missing roughly forty minutes of the best light of the day on either end. The sun crossing the horizon is one moment. The atmosphere lighting up because of it is a sequence, and that sequence has names. Knowing them changes how you plan a shoot.

Civil, nautical, astronomical: the three official twilights

Officially there are three twilights, defined by how far the sun has dropped below the horizon. Civil twilight ends when the sun is six degrees below; you can still read a newspaper outside. Nautical twilight ends at twelve degrees; the horizon is gone but the brightest stars are out. Astronomical twilight ends at eighteen degrees, which is when astronomers will tell you it is finally properly dark. The full definitions live on timeanddate.com and in NOAA's solar calculator at noaa.gov.

The seven stages a photographer should actually plan around

The three official twilights are useful as labels, but they are not enough for a shoot list. In practice the light moves through seven stages, and each one wants a different lens, exposure, and frame of mind.

• 1. Pre-dawn glow — sun is still 10-12 degrees down, sky is deep indigo with a faint warm band on the horizon. Great for cityscapes with lit windows.
• 2. Blue hour — sun roughly 4-8 degrees down, sky is a clean, saturated blue. Tungsten lamps still read warm against it. Architectural photographers live here.
• 3. Civil twilight — sun 0-6 degrees down, last useful read of foreground without lights. Long shadows of pre-existing structures.
• 4. Golden hour — sun roughly 0-6 degrees up. Warm, low-angle, long shadows. Portraits and landscapes.
• 5. Solar noon plateau — high sun, harsh contrast. Bad for portraits, good for documentary and graphic shadow work.
• 6. Late golden hour — same as 4 but on the other side, often slightly warmer because of more dust in the air.
• 7. Evening blue hour — the mirror of stage 2 on the sunset side, usually shorter and changes colour faster.

How long each stage lasts depends on where you are

This is where most beginners get burned. Near the equator, civil twilight is over in twenty minutes flat. At sixty degrees latitude, it can drag on for over an hour in summer. If you are planning a shoot in Reykjavik using golden-hour timings from a YouTuber based in Los Angeles, you will set up too late and miss the actual peak. A planning tool like sunhour shows the start and end of each stage for your exact location and date, so you can stop guessing.

A real example

Berlin in late June: sun sets around 21:32, civil twilight ends at 22:15, nautical twilight ends at 23:07, astronomical twilight basically does not end before sunrise. That is over an hour and a half of usable post-sunset light. Try shooting that schedule in Singapore and you have maybe thirty minutes total.

Which stage do you actually want?

If you are after warm skin tones in portraits, you want stage 4 or 6, ideally with the sun about two to three degrees above the horizon. If you want a clean colour gradient sky without any sun in the frame, you want stage 2 or 7. If you want stars, you want stage 6 followed by astronomical twilight ending. Plan backwards from the look, not forwards from sunrise.

Stop calling it "the magic hour"

"Magic hour" is a film-industry catch-all that smears stages 2 through 4 (and 6 through 7) together. It is fine as a shorthand. It is not useful when you have ten minutes to set up and you need to know whether the sky will still be readable in fifteen. Learn the seven stages, watch them on a real night, and the labels start to feel like a clock you can read.