Shani Dev
Shani Jayanti
Birth of the lord of karma's slow justice, feared wrongly and honoured rightly.
Tithi: Jyeshtha Amavasya (north) · Vaishakha Amavasya (west & south) — the same night
Which calendar do you follow?
The bright fortnight is named the same everywhere. A dark fortnight belongs to one month in the north and to the month before it in Maharashtra, Gujarat and the south: the same night, two true names. Saved only on this device.
In the simplest words
Shani Dev's birthday. He is the slow, stern son of the Sun who rewards hard work and patiently teaches whoever tries shortcuts.
The story & purpose
Shani is Surya's son by Chhaya: shadow-born, dark-robed, slow-moving, and utterly impartial. He is an auditor rather than a punisher: what is sown is returned, with interest for arrogance and mercy for humility. His 'gaze' teaches the patience nothing else can.
The rest of the story
On his birthday, tradition offers what he loves: sesame oil, black til, blue flowers, iron, and service to workers and the poor, for Shani favours those who value labour. Hanuman's name is his gentlest remedy: the one being Shani cannot burden.
What is done
Tel abhishek
Sesame oil poured over the Shani image, or over his stone in the navagraha shrine, with black til.
Daan
Black til, urad, iron, oil, blankets, or footwear given to those who serve.
Shani & Hanuman jaap
The Shani bija mantra, and Hanuman's name for lightness of heart.
Pipal deepa
A mustard-oil lamp at the pipal's root after sunset.
Best timings
Amavasya evening is Shani's hour; oil offerings after sunset.
Exact muhurat varies by city and tradition; for the precise hour, consult a local panchang for your location.
Worth knowing
At Shani Shingnapur the deity is an open black stone, and village houses traditionally have no door locks.
Sade-sati, Shani's seven-and-a-half-year transit, is read as syllabus rather than curse.
He and Yama are brothers: one weighs deeds in life, the other after.