Related Clues:

• It breaks every morning
• It begins as a crack
• Aurora
• Coffee break time, maybe
• Midmorning time
• Late breakfast hour
• Break of day
• Leisurely time to arrive at work
• Time for a wake-up call, perhaps
• Onset
• Brunch time, perhaps
• Advent
• When the rooster crows
• First light
• Chorus girl?