Also open on Mondays during school holidays:

2011:
26 december

2012:
2 january
20, 27 february
9, 30 april
28 may
2, 9, 16, 23, 30 july
6, 13, 20, 27 august
15, 22 october
24, 31 december

Open

Tuesday to Sunday 11 a.m. – 5 p.m.
Mondays during school holidays

Closed

Every Monday, except during school holidays
Christmas Day
New Year’s Day