The hope for early conferencing is that the parties can amicably negotiate some discovery issues without court intervention. Except in a proceeding exempted from initial disclosure under Rule 26(a)(1)(B) or when the court orders otherwise, the parties must confer as soon as practicable—and in any event at least 21 days before a scheduling conference is to be held or a scheduling order is due under Rule 16(b).. Fed. R. Civ. P. 26(f).
Links to Deadline Calculator Pages for Pertinent Federal Court Deadlines:
Answers to Counterclaims and Crossclaims
Reply to an Answer (If Ordered)
Effect of a Motion on the Answer Deadline
Responses to Discovery Requests
Affidavits in Opposition to Motions