Is the Qingming paper ingot folded during the day or at night?

Traditionally, it is believed that it is folded during the day.

It should also be possible to fold ingots at night. But this is to seek a spiritual sustenance, and it is best not to fold it at night.

Every time I have been to Tomb-Sweeping Day, I need to bring some grave-sweeping necessities, including gold ingots, to worship my ancestors on July 15: 00. Today, I will teach you how to fold a gold ingot. 1. Fold a piece of gold paper in half. 2. After folding, fold back at the first third of the crease. 3. Fold the other side in half at one third. 4. Fold the corners of the triangle at the intersection. 5. Fold the gray side along the dividing line between gray and gold. 6. It is successful to spread it on both sides of the long side in the middle of the trapezoid.