Attributive form of quarter past, noun.(adjective)
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Use "quarter-past" in a sentence
"Among those who carry the banner, Green Park has the reputation of opening its gates earlier than the other parks, and at quarter-past four in the morning, I, and many more, entered Green Park."
"And, Vitrue discovered, fans posted and commented more on items published during the first fifteen minutes of the hour than on posts published at quarter-past, half-past, and quarter-to the hour."
"The next morning, at quarter-past six, Martin was routed out for a quarter-to-seven breakfast."