OPJ archives

OPJ2023
Dates: Monday 27, November - Wednesday 29, November, 2023
Location: Hokkaido University Conference Hall

OPJ2022
Dates: Sunday 13, November - Wednesday 16, November 2022
Location: Utsunomiya University and Tochigi Prefecture Cultural Center

OPJ2021
Dates: Tuesday 26, October - Friday 29, October, 2021
National Institution for the Promotion of Youth Education and online

OPJ2020
Saturday 14, November - Tuesdaty 17, November, 2020
Online

OPJ2019
Dates: Monday 2, December - Thursday 5, December, 2019
Location: Osaka University, Convention Center

OPJ2018
Dates: Tuesday 30, October - Friday 2, November, 2018
Location: Tokyo Bunkyo School Building , University of Tsukuba

OPJ2017
Dates: Monday 30, October - Thursday 2, November, 2017
Location: Tokyo Bunkyo School Building , University of Tsukuba

Dates: Sunday 30, October - Wednesday 2, November, 2016
Location: Tokyo Bunkyo School Building , University of Tsukuba

OPJ2015
Dates: Wednesday 28, October - Friday 30, October, 2015
Location: Tokyo Bunkyo School Building , University of Tsukuba