Declension table of ?kālasiddhānta

Masculine	Singular	Dual	Plural
Nominative	kālasiddhāntaḥ	kālasiddhāntau	kālasiddhāntāḥ
Vocative	kālasiddhānta	kālasiddhāntau	kālasiddhāntāḥ
Accusative	kālasiddhāntam	kālasiddhāntau	kālasiddhāntān
Instrumental	kālasiddhāntena	kālasiddhāntābhyām	kālasiddhāntaiḥ kālasiddhāntebhiḥ
Dative	kālasiddhāntāya	kālasiddhāntābhyām	kālasiddhāntebhyaḥ
Ablative	kālasiddhāntāt	kālasiddhāntābhyām	kālasiddhāntebhyaḥ
Genitive	kālasiddhāntasya	kālasiddhāntayoḥ	kālasiddhāntānām
Locative	kālasiddhānte	kālasiddhāntayoḥ	kālasiddhānteṣu

Compound kālasiddhānta -

Adverb -kālasiddhāntam -kālasiddhāntāt