Date Calculator





Formula

To calculate the new date:

\[ ND = SD - D \]

What is Counting Back Days?

Counting back days is a method used to determine a past date by subtracting a specific number of days from a given start date. This technique is commonly used in various fields such as project management, event planning, and historical research to calculate deadlines, milestones, or significant dates in the past. By knowing the start date and the number of days to count back, one can easily find the new date using simple arithmetic.

Example Calculation 1

Let's assume the following values:

Step 1: Subtract the number of days from the start date:

\[ ND = 2024-07-18 - 10 \text{ days} = 2024-07-08 \]

Example Calculation 2

Let's assume the following values:

Step 1: Subtract the number of days from the start date:

\[ ND = 2024-12-01 - 30 \text{ days} = 2024-11-01 \]