By 1953, the society had not met for twenty years.
The societies usually met once a month, or more often during election season.
In an age with little street lighting, the society met on or about the night of the full moon.
The Society met regularly at one another's homes for the study and discussion of this music.
Since 1996 the societies have met annually for a weekend.
The Society meets regularly twice a year at the house.
The society met as a gentlemen's club of amateur scientists.
The Society met each month near the full moon.
The society meets in an old building on Pieterskerkgracht 9 since 1859.
The society has met every three years since its first meeting in Tokyo in 1986.
