What's New 2017.8.02. Guide to the JLPT December 2017 in Japan 1. Test Date: December 3 (Sunday), 2017 2. Test Fee: 5,500 yen 3. Application Period: August 31(Thu) to September 29 (Fri), 2017. 4. Sending off the Test Voucher: Scheduled for November 17(Fri), 2017 (Tentative)