What do you mean by Sunday date?

Sunday is the code name of Sunday, which is a marketing strategy of hotel marketing and a way to attract more customers. The Arabic numeral 8 looks like the sun, so Sunday is the code name of Sunday. In order to innovate management mode and attract customers, hotels hang Sunday flags.

Because nonexistence only exists in people's imagination, many shops will use this name as their own store name, which can also mean nonexistence. For example, meeting on Sunday means never meeting again.