Aaj kal aap aksar sunte hain Shamsi, Miladi, aur Hijri tareeqon ke baare mein. Zyaada logon ko nata hai in tamam tareeqon ko samajhna. Dar असल, yeh har tareeqe duniya ke khule mahqoom time ka hissa hain. Miladi tareeqa {goi ki | shabashme' | bas] saal ke din ki ginti par mabni hai aur Shamsi tareeqa aur ghiraaron ke rakhne par dastavez hai.