Date Calculator – Count Days Between Dates or Add/Subtract Days

Quickly calculate the number of days between two dates or add/subtract days from any date with our free online tool. Perfect for project planning, event counting, deadlines, travel itineraries, and more!

🔢 Calculation Formulas Used:

• Days Between Dates:
  End Date – Start Date = Total Days
  *(Example: Jan 10 – Jan 1 = 9 days)*

• Add Days to a Date:
  Start Date + N Days = Future Date
  *(Example: Jan 1 + 5 days = Jan 6)*

• Subtract Days from a Date:
  Start Date – N Days = Past Date
  *(Example: Jan 10 – 3 days = Jan 7)*

📅 Key Features:
✔ Accurate & Instant Results – No manual counting errors
✔ Handles Leap Years & Month Variations – Automatically adjusts for February, 30/31-day months
✔ Mobile-Friendly – Works seamlessly on phones, tablets, and desktops
✔ Free with No Ads – Clean, fast, and easy to use

🔍 Google Search Keywords:
“days between dates calculator,” “add days to date,” “subtract days from date,” “date difference tool,” “calendar calculator,” “countdown calculator,” “business days calculator,” “date duration finder,” “online date adder,” “time between two dates.”

💡 Common Uses:

• Track project deadlines

• Plan travel itineraries

• Calculate age in days

• Countdown to events or holidays

• Determine payment due dates

🚀 Try it now on www.calculator-app.site