usk_date: 

Repeats every month on the third Saturday 36 times. Also includes Sat Oct 06 2018, Sat Nov 03 2018, Sat Dec 01 2018, Sat Dec 15 2018.
Saturday, September 1, 2018 - 10:00 to 13:00
Saturday, September 15, 2018 - 10:00 to 13:00
Saturday, October 6, 2018 - 10:00 to 13:00
Saturday, October 20, 2018 - 10:00 to 13:00
Saturday, November 3, 2018 - 10:00 to 13:00
Saturday, November 17, 2018 - 10:00 to 13:00
Saturday, December 1, 2018 - 10:00 to 13:00
Saturday, December 15, 2018 - 10:00 to 13:00
Saturday, December 15, 2018 - 10:00 to 13:00
Saturday, January 19, 2019 - 10:00 to 13:00
Saturday, February 16, 2019 - 10:00 to 13:00
Saturday, March 16, 2019 - 10:00 to 13:00
Saturday, April 20, 2019 - 10:00 to 13:00
Saturday, May 18, 2019 - 10:00 to 13:00
Saturday, June 15, 2019 - 10:00 to 13:00
Saturday, July 20, 2019 - 10:00 to 13:00
Saturday, August 17, 2019 - 10:00 to 13:00
Saturday, September 21, 2019 - 10:00 to 13:00
Saturday, October 19, 2019 - 10:00 to 13:00
Saturday, November 16, 2019 - 10:00 to 13:00
Saturday, December 21, 2019 - 10:00 to 13:00
Saturday, January 18, 2020 - 10:00 to 13:00
Saturday, February 15, 2020 - 10:00 to 13:00
Saturday, March 21, 2020 - 10:00 to 13:00
Saturday, April 18, 2020 - 10:00 to 13:00
Saturday, May 16, 2020 - 10:00 to 13:00
Saturday, June 20, 2020 - 10:00 to 13:00
Saturday, July 18, 2020 - 10:00 to 13:00
Saturday, August 15, 2020 - 10:00 to 13:00
Saturday, September 19, 2020 - 10:00 to 13:00
Saturday, October 17, 2020 - 10:00 to 13:00
Saturday, November 21, 2020 - 10:00 to 13:00
Saturday, December 19, 2020 - 10:00 to 13:00
Saturday, January 16, 2021 - 10:00 to 13:00
Saturday, February 20, 2021 - 10:00 to 13:00
Saturday, March 20, 2021 - 10:00 to 13:00
Saturday, April 17, 2021 - 10:00 to 13:00
Saturday, May 15, 2021 - 10:00 to 13:00
Saturday, June 19, 2021 - 10:00 to 13:00
Saturday, July 17, 2021 - 10:00 to 13:00