Declension table of ?ṣaṣṭhakāla

Masculine	Singular	Dual	Plural
Nominative	ṣaṣṭhakālaḥ	ṣaṣṭhakālau	ṣaṣṭhakālāḥ
Vocative	ṣaṣṭhakāla	ṣaṣṭhakālau	ṣaṣṭhakālāḥ
Accusative	ṣaṣṭhakālam	ṣaṣṭhakālau	ṣaṣṭhakālān
Instrumental	ṣaṣṭhakālena	ṣaṣṭhakālābhyām	ṣaṣṭhakālaiḥ ṣaṣṭhakālebhiḥ
Dative	ṣaṣṭhakālāya	ṣaṣṭhakālābhyām	ṣaṣṭhakālebhyaḥ
Ablative	ṣaṣṭhakālāt	ṣaṣṭhakālābhyām	ṣaṣṭhakālebhyaḥ
Genitive	ṣaṣṭhakālasya	ṣaṣṭhakālayoḥ	ṣaṣṭhakālānām
Locative	ṣaṣṭhakāle	ṣaṣṭhakālayoḥ	ṣaṣṭhakāleṣu

Compound ṣaṣṭhakāla -

Adverb -ṣaṣṭhakālam -ṣaṣṭhakālāt