Astronomy Day Date in the current year: September 19, 2026
Astronomy Day is a bi-annual event, that is observed by astronomy enthusiasts, groups and professionals. The event originally started in the USA, but it spread to the other countries.Want to know more about the holiday? Please see here.
* date for 2026
- Category
- International Observances, Professional Days
- Tags
- astronomy day, doug berger, professional holiday, international observance