Declension table of horāśāstra

Neuter	Singular	Dual	Plural
Nominative	horāśāstram	horāśāstre	horāśāstrāṇi
Vocative	horāśāstra	horāśāstre	horāśāstrāṇi
Accusative	horāśāstram	horāśāstre	horāśāstrāṇi
Instrumental	horāśāstreṇa	horāśāstrābhyām	horāśāstraiḥ
Dative	horāśāstrāya	horāśāstrābhyām	horāśāstrebhyaḥ
Ablative	horāśāstrāt	horāśāstrābhyām	horāśāstrebhyaḥ
Genitive	horāśāstrasya	horāśāstrayoḥ	horāśāstrāṇām
Locative	horāśāstre	horāśāstrayoḥ	horāśāstreṣu

Compound horāśāstra -

Adverb -horāśāstram -horāśāstrāt