Possible Clues:

• At first sight, urban neighbours usually pass the time of day
• Greek character immersed in drink when a new day dawns
• When day begins
• Time to crow
• First appearance of star you reported in newspaper page
• Twenty two American students here, it's implied
• Dawn (mainly US)
• The crack of dawn
• First light (US), rhymes with travelling over one hundred mph
• First light paper at college