We interviewed in Boston on March 21st. about 2 weeks later on April 4th or so we got the letter for oath on May 16th. If you look up Moakly court house you'll see there are a bunch of ceromanys coming up. Immigration and Naturalization | United States District Court for the District of Massachusetts (uscourts.gov) Be patient, your day will be bere soon.
By the way, We applied for a US Passport on 24th of May. It is being delivered this Friday on the 24th according to USPS. We paid the extra and expedited the Passport. 34 days, not bad.