The Photographer's Ephemeris (TPE) application provides detailed information with the exact position of the sun and moon as viewed from a particular location on a on a given date and time. TPE also provides shadow length, and whether or not a subject will be in shade at a given time. Click on one of the following icons to open The Photographer's Ephemeris centered on:
Balanced Rock ![]() |
Broken Arch ![]() |
Corona Arch ![]() |
Covert Arch: ![]() |
Delicate Arch ![]() |
Delta Pool ![]() |
Double O Arch ![]() |
Landscape Arch ![]() |
North Window ![]() |
Tower Arch ![]() |
Tukuhnikivatz Arch ![]() |
Turret Arch ![]() |
TPE is also available for iOS and Android phones and tablets. See http://photoephemeris.com/ for more details. Highly recommended!
TPE is published by Crookneck Consulting LLC and the web application is free to use.
The Sunrise Sunset calculator above provides a monthly calendar showing sunrise/set and moonrise/set and moon phase for a whole month. More detailed information can be obtained by clicking on the Photographer's Ephemeris icon above.
Sunrise Sunset times are given at Delicate Arch in Arches NP.