Is it possible to change the default time format of embedded Google Calendar from 12-hour (am/pm) to the 24-hour (military time) format? I found no way how to change it in settings of the calendar or in settings of the embedding, the only thing I found out is to how to change the time format for me as a logged user. But once I logout and visit the page again, the times are again in the am/pm format.
I've contacted Google through the issue tracker and the request was evaluated and forwarded forward so maybe in the future it might be possible. For now, it's not.