// Show sunrise and sunset for first 5 days of June in LA func ExampleSunrise() { var s sunrise.Sunrise // Start time is June 1, 2013 PST location, _ := time.LoadLocation("America/Los_Angeles") startTime := time.Date(2013, 6, 1, 0, 0, 0, 0, location) // Coordinates of LA are 34.05N 118.25W s.Around(34.05, -118.25, startTime) for s.Sunrise().Before(startTime) { s.AddDays(1) } formatStr := "Jan 2 15:04:05" for i := 0; i < 5; i++ { fmt.Printf("Sunrise: %s Sunset: %s\n", s.Sunrise().Format(formatStr), s.Sunset().Format(formatStr)) s.AddDays(1) } // Output: // Sunrise: Jun 1 05:44:01 Sunset: Jun 1 20:00:42 // Sunrise: Jun 2 05:43:45 Sunset: Jun 2 20:01:17 // Sunrise: Jun 3 05:43:30 Sunset: Jun 3 20:01:52 // Sunrise: Jun 4 05:43:17 Sunset: Jun 4 20:02:25 // Sunrise: Jun 5 05:43:05 Sunset: Jun 5 20:02:57 }