zul hijjah

Q: What is the status of abstaining from clipping the nails and trimming the hair during the first ten days of Zul Hijjah for the person wishing to make Qurbaani? In regard to this mas'alah, what is the preferred opinion in the Hanafi Mazhab?

Q: If someone is not doing Qurbaani, then is it permissible for that person to cut his hairs and nails in the first 10 days of Zul Hijjah?

Q: I wanted to know from when do we start to fast for zul hijjah?