Declension table of sāndhya

Masculine	Singular	Dual	Plural
Nominative	sāndhyaḥ	sāndhyau	sāndhyāḥ
Vocative	sāndhya	sāndhyau	sāndhyāḥ
Accusative	sāndhyam	sāndhyau	sāndhyān
Instrumental	sāndhyena	sāndhyābhyām	sāndhyaiḥ sāndhyebhiḥ
Dative	sāndhyāya	sāndhyābhyām	sāndhyebhyaḥ
Ablative	sāndhyāt	sāndhyābhyām	sāndhyebhyaḥ
Genitive	sāndhyasya	sāndhyayoḥ	sāndhyānām
Locative	sāndhye	sāndhyayoḥ	sāndhyeṣu

Compound sāndhya -

Adverb -sāndhyam -sāndhyāt