Declension table of ?sārdhasaṃvatsara

Neuter	Singular	Dual	Plural
Nominative	sārdhasaṃvatsaram	sārdhasaṃvatsare	sārdhasaṃvatsarāṇi
Vocative	sārdhasaṃvatsara	sārdhasaṃvatsare	sārdhasaṃvatsarāṇi
Accusative	sārdhasaṃvatsaram	sārdhasaṃvatsare	sārdhasaṃvatsarāṇi
Instrumental	sārdhasaṃvatsareṇa	sārdhasaṃvatsarābhyām	sārdhasaṃvatsaraiḥ
Dative	sārdhasaṃvatsarāya	sārdhasaṃvatsarābhyām	sārdhasaṃvatsarebhyaḥ
Ablative	sārdhasaṃvatsarāt	sārdhasaṃvatsarābhyām	sārdhasaṃvatsarebhyaḥ
Genitive	sārdhasaṃvatsarasya	sārdhasaṃvatsarayoḥ	sārdhasaṃvatsarāṇām
Locative	sārdhasaṃvatsare	sārdhasaṃvatsarayoḥ	sārdhasaṃvatsareṣu

Compound sārdhasaṃvatsara -

Adverb -sārdhasaṃvatsaram -sārdhasaṃvatsarāt