Zameena mein aap aksar dekhte hain Shamsi, Miladi, aur Hijri nizamoon ke baare mein. Kai logon ko lagta hai in alag-alag tareeqon ko samajhna. Dar असल, yeh sab tareeqe duniya ke khule zamaney time ke ansaar hain. Miladi tareeqa {goi ki | shabashme' | bas] saal ke din ki aded par mabni hai aur Shamsi tareeqa aap ki ghiraaron ke asal par dasta