SrI GURUBHYO NAMAH Sri PARAMA GURUBHYO NAMAH Sri PARAMAESHTHI GURUBHYO NAMAH
13-3 Shukla paksha Trayodasi and Krishna paksha Truteeya is ruled by Sri Sarvamangala Nityadevi Dhyanasloka:
Taam nityaaM jaata roopaabhaaM muktaamaaNikyabhooShaNaam
maaNikya mukuTaaM nEtradvayaprEmkhaddayaaparaam
dvibhujaam svaasanaam padmE tvaShTaShoDaSatadvayaiH
maatulungaphalaM dakShE dadhaanaM karapaMkajE
vaamEna nijabhaktaanaaam praycchaMtee dhanaadikaM
svasamaanaabhirabhitaH SaktibhiH parivaaritaaM
Sri Sarvamangala Nitya is seated in 16 petalled lotus enclosed in 8 petalled lotus which once again enclosed by two squares having four doors. This desctibes her yantra.
She is having golden lustre, wearing ornaments studded with precious gems and also the crown studded with precious gems. Her eyes are showing kindness. She holds in her right hand Matulunga fruit and in the left hand giving away the wealth to her devotees. She is surrounded by Shatidevatas who are equal to her in all respects.
It is said that these shakti Devatas are 76 in Number.
She rules over the 12 kalas (parts or digits) of the sun 16 kalas of the moon and 10 kalas of the Agni, fire (10). This numbers 38 and her attendants are doubled because each of them are with their consorts.
Links to explanation of remaining 14 Tithi Nithya devis:
Tithi Nitya Devi Puja:
LOKA SAMASTA SUKHINO BHAVANTU SAMASTA SANMANGALANI BHAVANTU
OM SHANTIH SHANTIH SHANTIH
Youtube link for Dhyanasloka: