Declension table of ?ādityasaṃvatsara

Masculine	Singular	Dual	Plural
Nominative	ādityasaṃvatsaraḥ	ādityasaṃvatsarau	ādityasaṃvatsarāḥ
Vocative	ādityasaṃvatsara	ādityasaṃvatsarau	ādityasaṃvatsarāḥ
Accusative	ādityasaṃvatsaram	ādityasaṃvatsarau	ādityasaṃvatsarān
Instrumental	ādityasaṃvatsareṇa	ādityasaṃvatsarābhyām	ādityasaṃvatsaraiḥ ādityasaṃvatsarebhiḥ
Dative	ādityasaṃvatsarāya	ādityasaṃvatsarābhyām	ādityasaṃvatsarebhyaḥ
Ablative	ādityasaṃvatsarāt	ādityasaṃvatsarābhyām	ādityasaṃvatsarebhyaḥ
Genitive	ādityasaṃvatsarasya	ādityasaṃvatsarayoḥ	ādityasaṃvatsarāṇām
Locative	ādityasaṃvatsare	ādityasaṃvatsarayoḥ	ādityasaṃvatsareṣu

Compound ādityasaṃvatsara -

Adverb -ādityasaṃvatsaram -ādityasaṃvatsarāt