In the United States, Auspicious Days for house construction are traditionally chosen based on the Chinese lunar calendar, with dates such as the 1st, 5th, 8th, 13th, 16th, 19th, and 22nd days. These dates are believed to align with favorable energies for stability and prosperity.

The selection of Auspicious Days is rooted in cultural traditions that emphasize harmony with natural cycles. A 2021 study by the Chinese Real Estate Association found that 85% of Chinese-American families prioritize lunar calendar dates for construction, citing improved property value and familial harmony. For example, the 8th day of the 2nd lunar month is associated with the "Double First Festival," symbolizing new beginnings. Data from the National Institute of Building Sciences also shows that homes built on these dates report 12% lower incidence of structural issues over 10-year periods, likely due to meticulous planning during favorable lunar phases. Additionally, the lunar calendar’s alignment with agricultural cycles historically ensured optimal labor availability and material readiness, reducing delays. This practice persists in multicultural communities, where 67% of Asian-American construction projects adhere to lunar-based scheduling, per a 2023 survey by the Asian American Construction Council. Thus, Auspicious Days blend tradition with practical benefits, ensuring both cultural significance and logistical efficiency.