Related Clues:

• Two is the first to be late in the day
• 4/5 x 7 - nothing odd about that
• Not such an odd 27 down for the poet
• That makes the tide late
• One isn't but two is
• Not so odd that it should come late in the day for the poet
• There's nothing odd in 4/5 of 7
• 'The poetic opposite of 17 across, and that's flat (4)'
• That's poetic of late but one is not
• One's not what two is
• Two is, one isn't
• 4/5 x 7. Not so odd
• It's poetically late to be like 8 across
• Exactly divisible by two
• Not so odd that it's not early for the poet