Sometimes bullet journaling feels like (and at the beginning, primarily is) a humongous experiment on figuring out what works. trying things out (which is what I think I'm doing here with this weekly spread) and then reconfiguring or polishing a layout.
Take notes for your journal as you travel. That way you don't have to worry about losing time, and you also get to remember all of the memories! Travel Journaling Guide - Part Make Journal Notes - Creative Passport