What does the little red evil spirit mean in the yellow calendar?

What is written in the yellow calendar is not "Little Red Shashi", but "Red Sand Sand Day".

1, Red Sand Day: avoid marriage, build houses, etc. If you occupy Tiande, Yuede, Tiandehe, Yuedehe and Wu Heyi, this day can be used.

2. 1470 10 month, first use; 2588 1 1 month, used in the fourth grade; And in 36991February, ugly day was regarded as red sand day.