Aaj kal aap aksar dekhte hain Shamsi, Miladi, aur Hijri kalendaron ke baare mein. Aksar logon ko mushkil lagta hai in tamam tareeqon ko samajhna. Asl mein , yeh tamam tareeqe duniya ke hisse mein mahqoom time ka hissa hain. Miladi tareeqa {goi ki | shabashme' | bas] saal ke dinon ki aded par mabni hai aur Shamsi tareeqa suraj ke ghiraaron ke rakhn