山の日 Mountain Day
![](https://groups.oist.jp/sites/default/files/styles/group_image/public/eventimg/2001/oist-logo_big-shisa_little-oist_14.png?itok=EpRRr_IR)
Date
2023年8月11日 (金) 0:00
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.