What Is Day and Night?

When events lasts for several hours, we have a new unit of time which is called daytime. You can think of daytime as the time between you wake up until you go to bed.

You can also think of daytime as the time from sunrise to sunset. Daytime is then longer in the summertime than in the winter. Night is the time between sunset and sunrise. Opposite from days, nights lasts longer in the winter.

How long day time and night time is, depends on where in the world you are. Together, a day and a night lasts for $24$ hours. Let’s look at some places around the world:

New York

In the summer, a day lasts for about $15$ hours and $10$ minutes. The night lasts for $8$ hours and $50$ minutes. In the winter, a day lasts for about $9$ hours and $15$ minutes. The night lasts for $14$ hours and $45$ minutes.

Oslo

The longest summer day lasts for $18$ hours and $50$ minutes. The night lasts for $5$ hours and $10$ minutes. The shortest day in the winter lasts for $5$ hours and $55$ minutes. The night lasts for $18$ hours and $5$ minutes.

Sydney

The longest summer day lasts for $14$ hours and $25$ minutes. The night lasts for $9$ hours and $35$ minutes. The shortest day in the winter lasts for $9$ hours and $55$ minutes. The night lasts for $14$ hours and $5$ minutes.