Date Difference Calculator & Gregorian ↔ Hijri Date Converter Online

Calculate the exact number of days, weeks, and working days between two dates, add or subtract time from any date, and convert between Gregorian and Islamic Hijri calendars.

🧭 3 Powerful Date Tools in One

1. 1. Date Duration Calculator: Find total days, full weeks, and working business days (excluding weekends) between any two dates.
2. 2. Add / Subtract Duration: Discover what date falls in X days, weeks, months, or years from today with the day of the week.
3. 3. Gregorian ↔ Hijri Date Converter: Convert Islamic lunar dates to Gregorian dates and vice versa with high precision.

⭐ Key features of the Date Tool

• Working days calculation excluding weekend days.
• Option to include or exclude the final target day in the total count.
• Shows day of the week names (Monday, Friday, etc.) for easy scheduling.
• 100% private, client-side date computations.

🎯 Practical applications

• Tracking project timelines, contract validity, and rental periods.
• Calculating age milestones and pregnancy due dates.
• Converting official Islamic and Gregorian calendar documentation.

❓ Frequently Asked Questions

Does it account for leap years?

Yes, JavaScript date objects accurately calculate leap years and exact calendar cycles.

Can I add months and days simultaneously?

Yes, specify any combination of years, months, weeks, and days to calculate the target date.

📅 Calculate Date Difference Now ⚡

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