No date for passage of 2018 budget yet senate

It seems like you're referring to a news article or a statement from the Senate regarding the 2018 budget. Here's a possible translation:

"The Senate has not yet set a date for the passage of the 2018 budget."

This statement indicates that the Senate has not yet scheduled a vote or a meeting to discuss and pass the 2018 budget. It's likely that the Senate is still working on the budget or waiting for further instructions from the government or other stakeholders before moving forward with the passage process.