The sign "Time indications hours restricted to weekdays 1042-31" indicates that there are specific time restrictions for parking or stopping in the area where the sign is posted. It typically means that parking is only permitted during certain hours on weekdays (Monday to Friday). The exact times will usually be indicated on or below the sign itself.

For example, if the sign indicates "9-18 Uhr," it means parking is allowed only between 9 AM and 6 PM on weekdays. Outside of these hours and on weekends, parking would be allowed without restrictions.

It's important to always pay attention to these time restrictions to avoid penalties or fines while parking. If you need further clarification or have specific questions about parking regulations, feel free to ask!