Examples:

• The whole day to explore the surface of the tepuy.
• The whole day to explore the surface of the tepuy.
• The whole day was marked by lots of joy.
• The whole day is today at leisure.
• The whole day is at leisure today.
• The whole day walking under the sun...
• The whole day at least 15 hours at the computer a day.
• The whole day went by without us talking.
• The whole day long, not even a worry in the world!
• The whole day is a blur.