The mobile polling station at Harderwijk station is only open on Monday, Tuesday and Wednesday during rush hours: from 06:00 to 09:00 and from 16:00 to 20:00.
Polling stations at the NS station are open on Monday and Tuesday in twelve municipalities. Two of them are only open on one of these days and not on Wednesdays. These are Halfweg-Zwanenburg (only Monday) and Nieuw-Vennep (only Tuesday).
Wednesday there are many more. Then you can vote on or at forty stations. There are two polling stations at Hilversum and Utrecht stations.
You can vote with a valid voting pass and a valid proof of identity at the station in your own municipality.