Time: Tuesday, 3:30-4:30 pm
Place: Math building, 3rd floor seminar room
| Date | Speaker | Title |
| 18 Iyar (Apr 30) | Simcha Velner (Bar-Ilan University) | The Jewish calendar in a Piyut |
| 25 Iyar (May 7) | Ari Belenkiy (Bar-Ilan University) | What was the calendar introduced by Hillel II ? |
| 3 Sivan (May 14) | Ya'aqov Loewinger (Tel-Aviv) | Specific problems in determining Halakhic times of the day: a historical view |
| 10 Sivan (May 21) | Dror Fixler (Bar-Ilan University) | Measures of time and length according to the Rambam |
| 17 Sivan (May 28) | Roy Hoffman (Hebrew University) | Better prediction of lunar visibility |
| 24 Sivan (June 4) | Eran Raviv (Revava) | 7d 9h 642p or 9h 642p: the Epoch for Tequfot according to Shmuel and Rav Ada |
| 1 Tamuz (June 11) | Chayim Benish (Bney-Beraq) | On the Fast of 17 in Tamuz |
| 8 Tamuz (June 18) | Shai Walter (IKHS, Kerem Beyavne) | The scientific revolution: motions of the planets |