| Month | Subject | Author | Remark | |
| 06-01 | Bi-gnomon sundial (2) Sundial reads clock time |
Hendrik Hollander | ||
| 06-02 | Sun paths | Fer de Vries | ||
| 06-03 | Of two make one | Fer de Vries | Star + cube | |
| 06-04 | Spherical gnomon | Fer de Vries | ||
| 06-05 | Capucin card dial | Fer de Vries | ||
| 06-06 | Analemmatic sundial in a buss shelter |
Fer de Vries | Contribution by Niels Welmer | |
| 06-07 | Projection for analemmatic and horizontal sundial |
Fer de Vries | ||
| 06-08 | An 1808 Sundial Replica | Fer de Vries | ||
| 06-09 | Bi-gnomon sundial (3) Sundial reads clock time |
Fer de Vries | Sawyer Dialing Prize 2006 for Hendrik Hollander |
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| 06-10 | Armillary sphere sundial with auxiliary scales |
Fer de Vries | ||
| 06-11 | Hâfir | Fer de Vries | ||
| 06-12 | Qibla | Fer de Vries |