大そうじ Published on 7th December 20178th 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: 22nd December 2017 @ 1:00 PM – 4:00 PM Asia/Tokyo Timezone 2017-12-22T13:00:00+09:00 2017-12-22T16:00:00+09:00