4研究室訪問 Published on 2nd December 202113th January 2026 by yasuda-t Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: 17th December 2021 @ 2:40 PM – 4:10 PM Asia/Tokyo Timezone 2021-12-17T14:40:00+09:00 2021-12-17T16:10:00+09:00