he Cathedral opens at 10 am and closes at 5 pm. Be aware that St. Basil will be closed the first Wednesday of any given month. Other than the St. Basil’s Cathedral is open seven days a week 365 days a year.It is important to understand that it is not an active church anymore. It has been forcefully secularized by the Soviets in 1928 and then turned into a museum. Tickets will be 350 Rubel for an adult.