Aaj kal aap aksar dekhte hain Shamsi, Miladi, aur Hijri kalendaron ke baare mein. Zyaada logon ko lagta hai in alag-alag tareeqon ko samajhna. Haqeeqat mein , yeh tamam tareeqe duniya ke khule zamaney time ke ansaar hain. Miladi tareeqa {goi ki | shabashme' | bas] saal ke roz ki sankhya par m