The holy night of Shivarathri is observed during the night of Chaturdashi before Amavasya’ in the Hindu month of Magha as per traditional lunar calendar.
It is believed that the planetary positions align in such a way on Shivarathri night that it naturally creates an upsurge of energy in the human system. This is also why traditionally it is known to be beneficial both physically and spiritually to stay awake and aware through the night.
Holy Shiva mantra recommended for Maha Shivarathri is
Shiva Panchakshari Mantra - "Om Namah Shivaya".
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