When is Zakat due this year, knowing that it was paid on the 21st and 23rd of Dhul-Hijjah respectively in the past two years? Does the Zakatable amount include the value of a car purchased on the 21st of Dhul-Hijjah this year, and are outstanding debts deductible from this amount?

Zakat becomes obligatory on wealth from the day a full Hijri year passes after it reaches the nisab, and it is not permissible to delay it without a valid excuse. So, if the designated day for Zakat arrives and you possess a complete nisab, you must pay Zakat on the entire amount, including what you acquired after Zakat became due. Debts are deducted from the wealth, and Zakat is paid on the remainder if it reaches the nisab. However, if you possess surplus assets intended for personal use that exceed your basic needs, these assets can cover the debt, and then Zakat is paid on the entire wealth without deducting the debt.