When it is 2 PM Mountain Standard Time (MST) on February 3 in North Platte, NE (L = 101◦ W, φ = 41.1◦ N), what is the solar time? b When it is 2 PM MST in Boise, ID (L = 116◦ W, φ = 43.6◦ N), on February 3, what is the solar time? c What Eastern Daylight Time corresponds to solar noon on July 31 for Portland, ME (L = 70.5◦ W, φ = 43.7◦ N) ? d What Central Daylight Time corresponds to 10:00 AM on July 31 for Iron Mountain, MI (L = 90◦ W, φ = 45.8◦ N) ?