Frequently Asked Questions

Q: Has this site been updated for changes of the rules for daylight saving time in the USA?

A: Yes, this web site uses rules for all DST adjustments. these rules: http://www.sunrisesunset.com/dst.asp

Q: How does sunrise-sunset.org calculate the sunrise and sunset times?

A: We use an API to calculate the exact sunrise and sunset times.

Q: What means “dusk”

A: Dusk happens every evening. Dusk is the time when we can not see the sun anymore and it is totally dark outside. The amount of time dusk lasts for depends on your latitude.

Q: What means “dawn”?

We experience dawn every morning. Once it starts to be bright outside but we can not see the sun yet, that is called dawn. Once we can see the smallest part of the sun above the horizon, the sunrise begins. The amount of time dawn lasts for depends on your latitude.

Q: What is “twilight”?

A: Twilight appears twice every day. Twilight is the time between sunset and dusk. Also the period between dawn and sunrise is called twilight.