Skanda Purana — Kashi Khanda, Shloka 20
न द्विर्भुंजीत चैकस्मिन्दिवा क्वापि द्विजोत्तमः । सायंप्रातर्द्विजोऽश्नीयादग्निहोत्रविधानवित्
na dvirbhuṃjīta caikasmindivā kvāpi dvijottamaḥ | sāyaṃprātardvijo'śnīyādagnihotravidhānavit
最上等的再生族（dvija）不应在同一日两次进食。通晓阿耆尼火供（Agnihotra）仪轨的dvija，应于傍晚与清晨用食。
Skanda (deduced: Kāśīkhaṇḍa commonly Skanda → Agastya)
Tirtha: Kāśī
Type: kshetra
Scene: A dvija tending the sacred fire at dawn and dusk; after offerings, he takes a modest meal—two scenes mirrored with sunrise and sunset over the Gaṅgā.
FAQs
Daily life should harmonize with sacred duty—food intake is regulated to support ritual purity and discipline.
The verse is part of Kāśī Khaṇḍa’s dharma-setting for life in Kāśī (Vārāṇasī), though no single tirtha is named.
Agnihotra observance is implied; meal timing is prescribed as morning and evening for one who follows Agnihotra.