For Sunrise Shooting, use AV (Aperture Priority) mode to capture the perfect sunrise, shoot at aperture setting f/11, set ISO 100
For Details follow the below guideline that I have found from youtube:

For Sunset Shooting – use a fast Shutter speed, expose for the brightest point in your image, make, use grid, to bring golden yellow or golden orange try shade white balance settings to enhance warm tones, set aperture settings f/8 to f/11