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 the next icon to open The Photographer's Ephemeris centered on Monument Valley:
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.
Sunrise Sunset times are given at the View hotel. Monument Valley is part of the Navajo Nation and observes daylight savings time (DST). Therefore the times shown in the calendar reflect DST and will be one hour off from the rest of Arizona from mid March to early November.