When is the Day of Nahr ( یوم نحر)?

a) 1st of Shawwal

b) 10th of Muharram

c) 10th of Zil Hajj

d) 1st of Ramzan

Day of Nahr (یوم نحر ) is on 10th of Zil Hajj. It is day of Eid-ul-Adha and also called day of Nahr meaning day of sacrifice.