A service featuring an interactive world atlas, information on local time and time zones as well as sunrise and sunset times in several hundred cities, and a database of public holidays worldwide.

Obtain a table of the times of sunrise/sunset, moonrise/moonset, or the beginning and end of twilight, for one year.

Calculate sunrise and sunset times for your particular location.

Online utility for calculating the apparent sunrise and sunset.

By latitude and longitude.

Calculates the times of sunrise, sunset, moonrise, moonset, transits, and the beginning and end of civil twilight, along with information on the Moon's phase by specifying the date and location.

For a given location and date calculates sunrise, sunset, civil twilight, sun height; in JavaScript and an Excel file.

Windows freeware interactive viewer showing day and night move across the world's timezones.

Calculate the rise and set time of the sun for anywhere in Australia.

Authoritative source for tables of sunrise/sunset, moonrise/moonset and twilight by year.