Mourning

• Tearing Keriya (Rending one's Garments in Mourning)
• Onen (First Day of Mourning)
• Shiva (First Week of Mourning)
• Shloshim (First Month of Mourning)
• 12 Months (Extended Mourning For a Parent)
• Yahrzeit (Yearly Commemoration For a Parent)
• Nichum Aveilim (Comforting the Mourners)

Specific mitzvot

• Mourning and Fasting on Chanuka