Do I need to do it at the exact minute the moon is full?+
No. The window people use runs from the day before to the day after, and the practice reads the same at nine in the evening as at three in the morning. Pick an hour when nobody will interrupt you.
What if I cannot burn anything?+
Then use water. Write on a scrap of paper, tear it, let it come apart in a bowl, and pour it away. A line written on a mirror and wiped clean works just as well. The point is a visible ending, not the flame.
Can I do a full moon ritual with other people?+
Yes, and most people find it holds better in company. Keep one rule — nobody comments on anyone else's list. Read in turn, or read silently and share only the gratitude part out loud.
Is a full moon ritual religious?+
It does not have to be. The shape is older than any single tradition, and today most people do it as a practice of attention rather than worship. If you hold a faith, check the practice against it. If you do not, nothing here asks you to believe anything.
How long should it take?+
Twenty to forty minutes is normal. Under ten and the honest part gets rushed. Over an hour and it starts to feel like a performance you will have to keep up next month.