Srikathji, in my experience, this is not always right. I will give you two examples
Dr B V Raman was born on August 8, 1912 at 19:40:16.
Lagna Lord and Vriddhakarika 8th lord, Shani is in fixed sign, so short life.
Moon and Saturn in Taurus so short life.
Only Lagna is Aquarius and Hora Lagna is ...