Advanced options and sun angles
This program calculates sunrise and sunset times for a full year or a selected date. It also calculates sun angles for the 21st day of a selected month.
Choose location by entering a city name
Choose location by observatory
Need coordinates for anywhere in Canada? Visit NRCan's geographical names of Canada service.
Choose location by longitude and latitude
If you experience difficulties with this form, please contact the Webmaster or try our basic sunrise/sunset calculator form.
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