Zameena mein aap aksar sunte hain Shamsi, Miladi, aur Hijri kalendaron ke baare mein. Kai logon ko nata hai in sabhi tareeqon ko samajhna. Haqeeqat mein , yeh tamam tareeqe duniya ke hisse mein mahqoom time ki darja hain. Miladi tareeqa {goi ki | shabashme' | bas] saal ke roz ki aded par mabni hai aur Shamsi tareeqa suraj ke ghiraaron ke rehne par