Answer
(Fatwa: 37/37=M/1429)
The time of Jumua is the same as Zuhr. The time of Zuhr starts after zawal (midday); therefore calling the azan before zawal is not right. If there are other Hanafi people also and the conditions of Jumua are fulfilled, then you all can perform Jumua Salah at any other proper place.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband