If you are responding to complaint, it is 30 days from the date the summons and complaint was served, not 30 days from when the complaint was filed. If you are responding to a motion, your time to file and serve an opposition may be counted backwards from the date noticed for a hearing. Check Georgia codes on civil procedure..
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Rather than worry about counting, if you need more time call the plaintiff's attorney and ask if he or she will enter into a stipulation extending the time to answer or otherwise respond to the complaint. Extensions of 20 or 30 days are commonplace.
Good luck to you.
Michael S. Haber is a New York attorney. As such, his responses to posted inquiries, such as the one above, are limited to his understanding of law in the jurisdiction in which he practices and not to any other jurisdiction. In addition, no response to any posted inquiry should be deemed to constitute legal advice, nor to constitute the existence of an attorney/client or other contractual or fiduciary relationship, inasmuch as legal advice can only be provided in circumstances in which the attorney is able to ask questions of the person seeking legal advice and to thus gather appropriate information.
30 days is the time to file an answer to a Complaint and the time runs from when the Summons and Complaint are served. If the 30th day is a weekend or holiday then the date due falls forward to the next day the court is open.
When answering a complaint the clock runs from when you are served. On motions it's a little different. It's usually from the time when it's mailed. In Massachusetts, where I practice, a party is entitled to three additional days if the motion is mailed. In any event, if you are pressed for time, just ask for an extension from the opposing party/attorney.