Possible Clues:

• Time when penny's found in old money turning up
• All in the ..... evening (song)
• First month
• Decline to lock up pair for thirty days
• Time for foolishness?
• One of twelve pence in currency, reversed
• Girl that has first date after three months
• What 4 can stand for
• Word with "fresh" or "shower"
• ''All in an ... evening / ... airs were abroad'' (by Katherine Tynan)