Where on Earth can the stars be visible on June 22 at 12:30 Moscow time?

In the summer in Antarctica and the surrounding areas there is a polar night, therefore the stars can be seen there even at noon, 3.2.4.1.5.4.6.4.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.