All Japan Sumo Competition 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: December 14, 2019 – December 15, 2019 all-day 2019-12-14T00:00:00-05:00 2019-12-16T00:00:00-05:00 BattleBots Our Sumo team is competing in the All Japan Sumo Competition in Tokyo, Japan.