In CalJ, the Zmanim for Alot haShachar (עלות השחר) and Earliest Tefilin are calculated as follows: Alot haShachar = 72…
Announcing the immediate availability of a CalJ update on the Google PlayStore. Version 1.16.1 is a corrective patch, repairing the crash…
Publising today the new CalJ v1.16 for Android, featuring an option to show the names of the Zmanim in English…
Is it possible to get the seconds for the Zmanim?» Although this would be technically possible to compute the astronomical times…