Business hours are as follows

Sadonoshima Galaxy Art Festival 2025 (142 days in total)

Spring: April 25th (Fri) – June 8th (Sun) (45 days) 10:00-17:00

Autumn: September 19th (Fri) – November 9th (Sun) (52 days) September/October 10:00-17:00 November 10:00-16:00

Winter: January 23rd (Fri) – March 8th (Sun) (45 days) 10:00-16:00

*Closed on Tuesdays and Wednesdays except for public holidays

Closing days are as follows

Spring/Winter: If there is an exhibition on the second floor, the museum will be closed only on the regular holidays.

Autumn session: Closed only on regular holidays

Opening hours between sessions are as follows
Spring-Autumn: 10:00-17:00
Autumn-Winter: 10:00-16:00
Basically, the session is closed only on regular holidays, but please let us know if you plan to visit as there may be no staff present.

Contact
Sadonoshima Galaxy Art Festival General Information
050-3317-0734 (10:00-17:00)