Description: These functions return the day’s numeric representation in a date field within the Planview Clarizens software configuration. These functions add or subtract a specific number of days/weeks/months/years to or from a date.
Use: It is useful when you need to add or subtract a specific number of days to or from a date. Same concept for Week/Weeks, Month/Months and Year/Years.
![EP1: DateSubtract()](https://b3344589.smushcdn.com/3344589/wp-content/uploads/2022/08/cover-400x284.jpg?lossy=1&strip=1&webp=1)