求教高手关于巴黎地铁周票问题

http://parisbytrain.com/paris-train-metro-week-pass-navigo-decouverte/Navigo Week pass price, valid only from Monday at 00:00 to Sunday 23:59:59 (as of January, 2015)
On sale up until Thursday, midnight. Next week’s pass, on sale from Friday morning onwards.

以上回答了你买票时间和周票有效期两个问题，具体可以查下链接仔细看下。祝旅行愉快！

需要在当地确认下，以前有周五至下周四的，现在据说是周一至周日的。

周一到周日而已，跨周不能用。