In what format must the Date value be entered in a survey?

The correct format for entering the Date value in a survey is YYYY-MM-DD. This format is known as the ISO 8601 standard, which is widely used for representing dates and times in a way that maintains consistency across applications and systems. By adopting this format, it eliminates ambiguity that can occur with other representations of dates, particularly when different locales may interpret day, month, and year in varying sequences.

Using YYYY-MM-DD not only enhances the clarity and accuracy of data collection but also facilitates better data processing, storage, and retrieval across various platforms and databases. This format is particularly beneficial when dealing with programming languages and databases, which often expect dates in this standardized manner to minimize errors related to date processing.

The other formats presented do not follow this global standard and could lead to misunderstandings or misinterpretations of the date provided. As a result, it is essential to adhere to the YYYY-MM-DD format to ensure that data integrity is maintained during the survey process.