diff --git a/databags/global-content.ini b/databags/global-content.ini
index 77a6f40d6..1e809d051 100644
--- a/databags/global-content.ini
+++ b/databags/global-content.ini
@@ -61,7 +61,7 @@ icon_licence = This site uses icons from [icomoon](https://icomoon.io) under the
 [ja]
 open_data_day = オープンデータ・デイ
 banner_content_1 = オープンデータ・デイ2023が開催されます
-banner_content_2 = 2023/3/5(土)
+banner_content_2 = 2023/3/4(土)~10(金)
 menu_label = Menu
 footer = This is a bottom-up initiative.  Like in previous years, the Open Knowledge Foundation helps maintain this website and works with mini-grant supporters to foster a community. Everyone can contribute. You can contact the [mailing list](https://groups.google.com/forum/#!forum/open-data-day)or go to the [GitHub repo](https://github.com/okfn/opendataday) | [Privacy Policy](https://okfn.org/privacy-policy/)
 support_scheme_logos = オープンデータデイ2018ミニグラントは以下のみなさまに支援いただきました: