Opening hours & days open/closed

Opening hours

March ~ October: Exhibitions : 10 am ~ 5 pm
( Entry : 10 am ~ 4:30 pm )
Stargazing : 7 pm ~ 10 pm
( Entry : 6 pm ~ 9:30 pm ) *
November ~ February: Exhibitions: 10 am ~ 4 pm
( Entry : 10 am ~ 3:30 pm )
Stargazing: 6 pm ~ 9 pm
( Entry : 5 pm ~ 8:30 pm ) *

* In principle, nighttime services are available for individual customers on Saturdays, Sundays, and holidays, and for groups on weekdays (exceptions may be made).

The observatory may be temporarily closed due to typhoons or snow.

Days open/closed

Open day and night: 1, 7, 11, 14, 15, 21-23, 28
Open during the day, only for groups at night: 4-6, 12, 13, 18-20, 25-27
Open during the day, closed at night: 3, 10, 17
Closed: 2, 8, 9, 16, 24

Open day and night: 1, 3, 7, 8, 14, 15, 20-22, 28, 29
Open during the day, only for groups at night: 4-6, 11-13, 18, 19, 25-27
Open during the day, closed at night: 10, 17, 24, 31
Closed: 2, 9, 16, 23, 30

Open day and night: 4, 5, 11, 12, 18, 19, 25, 26, 29
Open during the day, only for groups at night: 1-3, 8-10, 15-17, 22-24, 30
Open during the day, closed at night: 7, 14, 21, 28
Closed: 6, 13, 20, 27

Open day and night: 2-6, 9, 10, 16, 17, 23, 24, 30, 31
Open during the day, only for groups at night: 13-15, 20-22, 27-29
Closed: 7, 8, 11, 12, 18, 19, 25, 26

Open day and night: 6, 7, 13, 14, 20, 21, 27, 28
Open during the day, only for groups at night: 3-5, 10-12, 17-19, 24-26
Open during the day, closed at night: 2, 9, 16, 23, 30
Closed: 1, 8, 15, 22, 29

Open day and night: 4, 5, 11, 12, 18-20, 25, 26
Open during the day, only for groups at night: 1-3, 8-10, 15-17, 23, 24, 29-31
Open during the day, closed at night: 7, 14, 21, 28
Closed: 6, 13, 21, 27