What Causes the ‘Blue Hour’ and Why Is It Magical?

The Blue Hour happens after the sun goes down, but before it’s completely dark. The sky turns blue because sunlight has to travel through more air than usual, and the blue light is what makes it through. It feels magical because it looks like a calm, quiet moment in nature.

Why It Feels Magical

Sometimes, when you’re outside during the Blue Hour, everything seems peaceful and still, like time has slowed down.

Take the quiz →

Examples

When you walk home after school and see a blue sky as the sun sets, that’s the Blue Hour.
Sometimes, when it's quiet at night, the sky looks like it has a soft blue blanket over it, like magic.
You might have seen pictures of cities with lights shining through a blue sky during sunset, that’s the Blue Hour.

Ask a question

Discussion

Recent activity

Categories: Environment · light,sky,sunset,atmosphere