This tool calculates the duration between two dates or modifies a date by adding or subtracting a specific number of days. It is designed for anyone needing precise date math, from project managers tracking deadlines to individuals planning events or travel. The calculator handles complex adjustments, accounting for work schedules and common holidays.

• Date Difference Calculation: Instantly find the total days, months, weeks, and years between any two dates you enter.
• Add or Subtract Days: Modify any start date by a specified number of days, weeks, months, or years to find a future or past date.
• Exclude Weekends and Holidays: Configure the calculation to count only business days by automatically skipping Saturdays, Sundays, and user-defined holidays.
• Flexible Holiday Settings: You can choose to include or exclude holidays from the total day count, and add custom holidays to the list for personalized accuracy.
• Clear Calendar Visualization: Results are displayed alongside a visual calendar, making it easy to see the time period and verify the calculation.