Apart from all these, there is a necessity to give the physiological system some rest once a while. These irregularities unconsciously done during the fourteen days get rectified in one day. Thus the observance of Ekadasi has many advantages physical, astral, spiritual and because this day has connection with the relation of the mind with its abode together with the moon, you feel mysteriously helped in your meditation and contemplation, mysteriously because you cannot know this consciously. But you can feel this for yourself by observing it. In India everything is interpreted spiritually.
Every river is a deity.
Every mountain is a god. Everything is holy, dedicated to the Divine. Everywhere is God. The idea behind all this is that we have to feel the presence of God in everything and everywhere. In space and in time, in everything, there is God.