Regular services: The yearly Astronomical Almanac of the Institute is published and sold to specific publishing companies in Greece. It is also provided upon request and free of charge to government institutions and non-profit organizations.
Services by request: – issuing certificates for legal cases requiring astronomical data and preparing information on specific phenomena (e.g. sunset and sunrise times).
Responsible for the scientific supervision and publication of the yearly Astronomical Almanac is Dr. Christos Papadimitriou.