Date Difference Calculator

Calculate the time difference between any two dates

Enter Two Dates
From Date
To Date

📖 How to Use the Date Difference Calculator

Step-by-Step Guide:
  1. Select Calendar Type: Choose Gregorian or Hijri calendar based on your dates
  2. Enter First Date (From): Select day, month, and year for the starting date
  3. Enter Second Date (To): Select day, month, and year for the ending date
  4. Click "Calculate": Results will appear instantly with comprehensive details
  5. Review Results: Get the time difference in years, months, and days, plus total days, weeks, months, hours, and minutes
💡 Important Tips:
  • Calculator supports both Gregorian and Hijri calendars
  • Calculate difference between any two dates, past or future
  • Results are accurate and account for leap years
  • Use for age calculation, project duration, or time periods

🎯 Common Use Cases

✅ Age Calculation

Calculate your exact age from birth date to today, or calculate anyone's age accurately

📅 Project Management

Calculate project duration from start to end date to know total days and weeks

💼 Contracts & Agreements

Calculate contract duration to know remaining or elapsed time periods

🎓 Education & Study

Calculate study periods, academic semesters, or vacation durations

💍 Special Occasions

Calculate days since marriage or any special occasion

🏥 Medical Cases

Calculate treatment duration, pregnancy periods, or appointment schedules

❓ Frequently Asked Questions

Yes, the calculator is highly accurate and accounts for leap years and differences between Hijri and Gregorian calendars. All calculations use tested and reliable algorithms.

Currently, you must use the same calendar type for both dates (either Hijri or Gregorian). If you have mixed dates, convert one using our calendar converter first.

"Time Difference" shows the result split into years, months, and days (e.g., 2 years 3 months 5 days), while "Total Days" converts everything to days only (e.g., 825 days).

Yes, you can calculate the difference between any two dates, past or future. The calculator works with all dates from 1900 to 2100.

The calculator uses PHP's DateTime system which automatically handles leap years. A leap year occurs every 4 years and contains 366 days instead of 365.

Frequently Asked Questions about Date Difference Calculator

Enter the first and second dates in either Hijri or Gregorian calendar, and the tool automatically calculates the difference in years, months, days, hours, and minutes. You can also convert between both calendars.

Date difference calculator is used for calculating employment service period for end-of-service benefits, contract and lease durations, child age for school registration, visa and residence permit periods, and time between important events.

Yes, Hijri months range between 29 and 30 days based on the lunar cycle, while Gregorian months range between 28 and 31 days. The Hijri year is about 11 days shorter than the Gregorian year, so the difference may vary depending on the calendar used.

To calculate only working days, find the total difference in days then subtract Fridays and Saturdays (weekend in Saudi Arabia). As a rough rule, working days equal approximately 5/7 of total days.

Yes, the calculator accounts for leap years in the Gregorian calendar (every 4 years February has 29 days) and also leap years in the Hijri calendar (where the year is 355 days instead of 354).