It is talking about householders and the necessity of doing the Pancha Mahayajnas daily. For a householder it's stated that there are five slaughter houses in their home itself.
Manu 3.68. A householder has five slaughter-houses (as it were, viz.)
the hearth, the grinding-stone, the broom, the pestle and mortar, the
water-vessel, by using which he is bound (...
Purvanha or forenoon is the best time for doing rites related to Devas (deities). Where as afternoon (Aparanha) is best suited for performing rites related to deceased ancestors.
The following verses from Manu Smriti have the words Purvanha (translated as morning) and Aparanha (translated as afternoon) in them.
3.255. The afternoon, Kusa grass, the due ...
Is sannyasa a Vedic way of life? Is it recommended by the Vedas, the ten authentic Upanishads or Grhyasutras?
The idea that sannyasashrama is not sanctioned by the Vedas is an old idea held even by famous Rishis like Gautama and Bodhayana:
Gautama dharma sutras 3.36:
There is, however, only one order of life [Ashrama] according to the venerable teacher, ...
Note: This is not an answer to the question, but rather an explanation as to why there can ever be no such authorities to standardize any form of traditions or customs, based on a broader view of ever-changing nature of everything.
From a broader perspective, taking into account the evolution of early Indic religions to the present forms of Hinduism and ...
Swami Sivananda in his "All about Hinduism" writes
There are five great daily sacrifices that are to be performed by
every householder. They are: (i) Brahma Yajna, called also Veda Yajna,
sacrifice to Brahman or the Vedas or the sages; (ii) Deva Yajna,
sacrifice to the celestials; (iii) Pitri Yajna, sacrifice to the
manes; (iv) Bhuta Yajna, ...
Swami Sivananda in "All About Hinduism" Page 115-119 writes
Idol or Murthy (Vigraha), Sun, Fire, Water, Ganga, Saligram, Linga are
all symbols or Prateekas of God which help the aspirants to attain
one-pointedness of mind and purity of heart. A symbol is absolutely
indispensable for fixing the mind. For a Bhakta or a sage, there is
no such thing ...
காணாமல் , கோணாமல் , கண்டு
Kaanamal, Konaamal, Kandu
Above is a Tamil dictum for Tri-kala Sandhya-Vandana that explains when Arghya must be given.
Pratah - Kaanamal (morning - unseen i.e. before sunrise at 6)
Madhyan - Konaamal (afternoon - un-angled i.e. right above head at 12)
Sayam - Kandu (evening - seen i.e. before sunset at 6)
Symbolic gestures are ...
Amavasya Tharpanam is also called darsha-shrArdha (darsha = new moon; shrArdha = worship of ancestors).
All shrArdhas are only to be performed in the aparAhna.
There are two interpretations to aparAhna:
The fourth part of a five-fold equally split day between sunrise and sunset. (Taittiriya Brahmana 1.5.3)
The second half of a day between sunrise and sunset....
Sandhya is a Nitya Karma for the Dvijas (Brahmins, Ksatriyas and Vaishyas). And, one remains impure unless the initiated Dvija performs the Nitya Karma first.
The Nitya Karma Puja Prakash book quotes a verse from Daksha Smriti in this regard:
SandhyAhino-asuchir-nityamanarhah sarva-karmasu | Yadantat kurute
karma na tasya phala-bhAga-bhavet ||
If Brahmins, ...