Possible Clues:

• Bird to greet new morning
• It develops in East and breaks round West
• Aurora's domain
• Bird takes direction at first light
• Unarmed fighter goes around Wales - it's a start
• First light note pad turns up
• Regulars leave drab wine when night is over
• First book of Octavia Butler's 'Lilith's Brood' series
• Daily event personified by Eos in Greek mythology
• Onset metaphor