Narada Purana — Purva Bhaga, Shloka 39
Tithi-Nirṇaya for Vratas: Ekādaśī Rules, Saṅkrānti Punya-kāla, Eclipse Observances, and Prāyaścitta
पूर्वद्वये परेद्युः स्यात्संगवात्परतो मनीषिभिः । सद्यः कालः परेद्युः स्याज्ज्ञेयमेवं तिथिक्षये ॥ ३९ ॥
pūrvadvaye paredyuḥ syātsaṃgavātparato manīṣibhiḥ | sadyaḥ kālaḥ paredyuḥ syājjñeyamevaṃ tithikṣaye || 39 ||
عند وقوع فناء التيثي (tithi-kṣaya)، يقرّر الحكماء أنّ «اليوم التالي» (paredyuḥ) يُعمل به في القسمين الأوّلين من الزمن. أمّا بعد زمن السَّنغافا، فإنّ «وقت اليوم نفسه» يُعرَف أنّه تابعٌ «لليوم التالي»—وهكذا يُفهَم أمرُ اختفاء التيثي.
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It safeguards dharma by ensuring vows and worship are performed at the correct sacred time; accurate kāla (time) is treated as an essential support for meritorious action.
Bhakti practices like vrata, pūjā, and upavāsa depend on proper tithi timing; the verse provides a rule so devotion is aligned with śāstric time-reckoning even during tithi-kṣaya.
Vedāṅga Jyotiṣa (astronomical calendrics): it gives a decision rule using saṅgava and day-divisions to assign ‘same-day time’ to the next day when a tithi is lost.