Declension table of ?aṣṭamāna

Neuter	Singular	Dual	Plural
Nominative	aṣṭamānam	aṣṭamāne	aṣṭamānāni
Vocative	aṣṭamāna	aṣṭamāne	aṣṭamānāni
Accusative	aṣṭamānam	aṣṭamāne	aṣṭamānāni
Instrumental	aṣṭamānena	aṣṭamānābhyām	aṣṭamānaiḥ
Dative	aṣṭamānāya	aṣṭamānābhyām	aṣṭamānebhyaḥ
Ablative	aṣṭamānāt	aṣṭamānābhyām	aṣṭamānebhyaḥ
Genitive	aṣṭamānasya	aṣṭamānayoḥ	aṣṭamānānām
Locative	aṣṭamāne	aṣṭamānayoḥ	aṣṭamāneṣu

Compound aṣṭamāna -

Adverb -aṣṭamānam -aṣṭamānāt