There is no one definitive answer to this question. The amount of time you spend grounding each day will depend on your own individual needs. Some people may only need to ground for a few minutes each day, while others may find that they need to ground for an hour or more.
If you are new to grounding, it is a good idea to start with a shorter grounding session and gradually increase the length of time as you become more comfortable with the practice. A good rule of thumb is to spend at least 10 minutes grounding each day.
There are many different ways to ground oneself. Some people prefer to sit or lie down in a quiet space, while others find that walking barefoot in nature helps them to connect with the Earth. There is no wrong way to ground, so experiment to find what works best for you.
If you find yourself feeling disconnected or stressed, grounding can be a helpful way to center yourself and find peace. Remember that there is no right or wrong way to do it, so do what feels best for you and trust your intuition.