Declension table of ?vṛddhakāla

Masculine	Singular	Dual	Plural
Nominative	vṛddhakālaḥ	vṛddhakālau	vṛddhakālāḥ
Vocative	vṛddhakāla	vṛddhakālau	vṛddhakālāḥ
Accusative	vṛddhakālam	vṛddhakālau	vṛddhakālān
Instrumental	vṛddhakālena	vṛddhakālābhyām	vṛddhakālaiḥ vṛddhakālebhiḥ
Dative	vṛddhakālāya	vṛddhakālābhyām	vṛddhakālebhyaḥ
Ablative	vṛddhakālāt	vṛddhakālābhyām	vṛddhakālebhyaḥ
Genitive	vṛddhakālasya	vṛddhakālayoḥ	vṛddhakālānām
Locative	vṛddhakāle	vṛddhakālayoḥ	vṛddhakāleṣu

Compound vṛddhakāla -

Adverb -vṛddhakālam -vṛddhakālāt