64.

- Aaah incredible ! I'm not even tired after this crossing! Let's inflate the kayak to explore it all!

- I don't know what's wrong with me, I feel a little sluggish...

- I throw it all in the water and let's go!

-Oh damn but I think about it... there was a time change last night! I did an extra hour of watch!

- So, are you coming soon, weak-kneed??

(The trick is to choose your watch schedule based on the time change!)