WHETHER FOR MADHYAHNIKA SANDHYA VANDANAM, ONE CAN USE THE TERM "UPASISHYE" DURING SANKALPA?

Based on traditional practices, we use the sankalpa "MAdhyAnika sandhyAm upAsishye." There is no difference in the sandhyA sankalpam whether prAtah, MAdhyAhnika or SAyam sandhyA. We use the term "upAsishye" all across . The term " MAdhyAhnika sandhyopAsanam," has been used by traditional scholars.

According to atri:-

sandhyA trayam tu kartavyam dvijenAtmavidA sadA iti !

atra sandhyA Sabdena sandhyopAsana rUpa karmopalakshyate !

anyathA devatAyAh kartavyatvA yogAt!!