瑞士通票时间限制问题

按照自然天算，跟当天什么时候开始使用无关。Once your Swiss Travel Pass is validated, you can use it for the number of days you purchased it for. The time of validation is not relevant. There's no difference between validating it on July 15 at 8:00 AM or July 15 at 7:00 PM. July 15 still counts as your first full day of traveling, and the pass is basically valid from 0:00 AM that day. In this example, an 8-day Swiss Travel Pass can be used for traveling on July 15, 16, 17, 18, 19, 20, 21 and 22. Validity ends on 5:00 AM of the day following the last day, so that allows you to complete late night trips, even after midnight. In this example, validity ends on July 23, 5:00 AM.

自然日，不是按24h算的。
你用的时候，考虑好你的行程，比如你安排一天日内瓦，那那天就别用，日内瓦是有免费天票可以索要的。

按自然天，和几点买的没有关系。

自然天结算，哪怕你是23：59开通，那1分钟也算一天。

按天算

按自然日算