This is the acid test which I always use to determine the correct weekend, try booking a hotel room for the Saturday night in Le Mans. I've published the results below:
1) "A hotel room in Le Mans for the 9th June 2007? No problem at all, Monsieur........."
2) "A hotel room in Le Mans for the 16th June 2007? Hahahahahahaha!!!!! Hey, Genevieve, we have a real 'joker anglais' here!! Wants to book a room for the 16th June next year. Hahahahahahahaha............"