The Administrative Office of the U.S. Courts has issued guidance regarding the opening of federal courthouses across the country. The guidelines envision a four-phase process, moving from the current scenario (most courthouses closed, hearings by phone or video, most employees working from home) through limited reopening with social distancing, and eventually a return to normal operations.
This is just a framework, not a schedule. The courts will not proceed along any opening path until data from the Center for Disease Control and other public health officials suggest that it is prudent to do so.