Bowing Etiquette (お辞儀のマナー - Ojigi no manā)
The essential bowing posture and degrees used to display deep respect for deities. Worshippers are expected to straighten their backs and bend firmly from the hips during Shinto or Buddhist visits.
Dating back to feudal Japan, lowering the head exposed the neck (one's weakest spot), physically signaling a lack of hostility and complete trust. This naturally evolved into a sacred sign of deep reverence.
For a standard light bow at the gates, bend your back about 30 degrees. For formal bows (Rei) in front of the main altar, bend your upper body deeply at a 90-degree angle.
What is the most respectful and beautiful angle for bowing in front of the main hall?