年末年始 2020
![](https://groups.oist.jp/sites/default/files/styles/group_image/public/eventimg/1901/oist-logo_big-shisa_little-oist_14.png?itok=Xa1Ik5-P)
Date
2019年12月29日 (日) (All day) 〜 2020年1月3日 (金) (All day)
Description
National holiday
All-OIST Category:
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National holiday
Subscribe to the OIST Calendar: Right-click to download, then open in your calendar application.