海の日 2017
![](https://groups.oist.jp/sites/default/files/styles/group_image/public/eventimg/1703/oist-logo_big-shisa_little-oist_6.png?itok=BTnkubkJ)
Date
2017年7月17日 (月) 0:00
Description
National Holiday.
All-OIST Category:
Subscribe to the OIST Calendar: Right-click to download, then open in your calendar application.
National Holiday.
Subscribe to the OIST Calendar: Right-click to download, then open in your calendar application.