Possible Clues:

• Last possible time
• Last-minute (2 words)
• The latest possible time is 11am
• Last minute gives time for refreshments
• Team travel consumes hours — it's almost too late
• Volunteer he arranged to go round hospital at the last minute
• Side's visit taking in hotel twice very late?
• This is the last possible time to get the foreign flat - Thailand is on our list
• Very last moment
• When time is running out