It depends on the type of help you need. Positions for operational tasks (such as reception, bartending, cleaning, farming…) usually ask between 20 - 30 hours per week. Creative positions (such as photography, video making, arts, music…) usually ask between 15 - 20 hours per week.
When you are creating a volunteer position, the system will auto populate the number of hours of help per week with our suggestions. You can change it, but have in mind there is maximum amount of hours you can ask for.