Naboo, released on October 16, 2020 by Altaya, serves as a reference guide. This book is the sixth installment in the collection known as the Star Wars Encyclopedia.
Hardcover edition published by Altaya on October 16, 2020; ISBN 9788468465838
Within the book, it is mentioned that a Monarch of Naboo serves for a duration of four standard years. Conversely, Queen's Shadow had earlier indicated that the term lasted for two years.