How do I use the date converter?

Simply select a date using the dropdowns or enter it in YYYY-MM-DD format, then choose your conversion type. The tool supports 8 calendar systems and 28+ date formats.

Which calendar systems are supported?

We support 8 major calendar systems: Afghan Solar Hijri, Islamic (Civil), Persian Solar Hijri, Ethiopian, Indian National, Julian, Buddhist Era, and Gregorian.

Can I convert Afghan dates to Gregorian?

Yes! Convert dates to/from the official Afghan calendar with authentic Afghan month names and Nowruz (New Year) detection.

Is the date converter free?

Yes, completely free with no registration required. All conversions happen in your browser for privacy protection.

What can I do with the date calculator?

Calculate date differences, determine ages, add/subtract days/weeks/months/years, and perform advanced date operations.

Can I save my conversions?

Yes! Download results as text files for offline reference. You can also copy any conversion to clipboard.

How accurate are the conversions?

All conversions use established international standards and are precise for civil calendar purposes.

Yes, all processing happens locally in your browser. No dates or personal information are stored or transmitted to servers.

How do I convert a Gregorian date to Islamic (Hijri)?

Select a Gregorian date and open the Calendar tab. The tool instantly converts it to Islamic (Civil Hijri) along with Afghan Solar Hijri, Persian, Ethiopian, Indian Saka, Julian, and Buddhist calendars.

How can I calculate exact age in years, months, and days?

Open the Age Calculator tab, enter your birth date, and the tool will calculate your exact age in years, months, and days, plus total days, weeks, hours, minutes, and seconds lived.

How do I find the Unix timestamp for a specific date?

Select your date and open the Date Information tab to view the Unix timestamp in both seconds and milliseconds since January 1, 1970 (UTC).

Can I calculate the difference between two dates?

Yes. Use the Date Difference Calculator to calculate total days, weeks, months, weekdays, and weekends between any two selected dates.

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Date Converter

Convert dates between Gregorian, Islamic (Hijri), Afghan Solar Hijri, Persian, Ethiopian, Indian Saka, Julian & Buddhist calendars. Includes age calculator, date difference tool, ISO 8601 formats, and Unix timestamp converter.

Date Conversion Tool Interface

Select Calendar

Discover More

Tips, guides & FAQs

100% Free100% Secure8 CalendarsAge Calculator

What Is Date Conversion?

Date conversion allows you to translate dates between multiple calendar systems and formats. This tool supports 8 major calendars, including Gregorian, Islamic (Civil), Persian Solar Hijri, Ethiopian, Indian National, Julian, Buddhist Era, and Afghan Solar Hijri, making it useful for global communication, research, and cultural understanding.

For converting physical units such as length, weight, temperature, or speed, you can use our Unit Converter for fast and accurate results.

8+ Calendars

Afghan, Islamic, Persian, Ethiopian, Indian, Julian, Buddhist & Gregorian

23+ Formats

ISO, RFC, UNIX, international & regional formats

Date Calculator

Difference, age, add/subtract days, weeks, months, years

Date Info

Day of week, day of year, week number, quarter, leap year, season

How to Use Date Converter in 4 Easy Tabs

Our date converter offers four powerful tabs for different conversion needs. Whether you need to convert between calendar systems, format dates for different regions, analyze date information, or perform calculations, we've got you covered.

Calendar Tab

Afghan, Islamic, Persian, Ethiopian, Indian, Julian, Buddhist & Gregorian

Format Tab

ISO, RFC, UNIX, US, UK, European, Asian, military & compact formats

Info Tab

Day of week/year, week number, quarter, leap year, season

Calculate Tab

Date difference, age calculator, add/subtract years, months, weeks, days

Once you have your converted date, you can easily share it using our QR Code Generator for quick access on any device.

Why Choose Our Date Converter?

Working with dates across different calendar systems can be complex. Our comprehensive tool simplifies this with accurate conversions, multiple formats, and powerful calculators - all in one place.

8 Calendar Systems

Support for Afghan, Islamic, Persian, Ethiopian, Indian, Julian, Buddhist, and Gregorian calendars with authentic month names

23+ Date Formats

Convert between ISO, RFC, UNIX, US, UK, European, Asian, military, and compact formats

3 Powerful Calculators

Date difference, age calculator, and advanced add/subtract operations

Comprehensive Info

Day of year, week number, quarter, leap year detection, season

Export Results

Download all conversions as text files for offline reference and record keeping

One-Click Copy

Copy any conversion result to clipboard with a single click

Is Date Conversion Safe?

100% SECUREThis tool runs entirely in your browser, so your data never leaves your device.

Your dates, calculations, and personal information never leave your computer. No data is transmitted, no servers store your information, and everything is automatically cleared when you close the page. Perfect for sensitive date calculations like birth dates, financial records, and personal planning.

Dates never leave your computer

No data transmitted over internet

Zero access to your information

Auto-cleared after use

Common Use Cases for Date Conversion

Our date converter is perfect for historians, travelers, developers, students, and anyone working with dates across different calendar systems.

📅 Historical Research✈️ Travel Planning🎂 Birth Date Conversion📆 Event Planning💼 Business Dates🌙 Islamic Dates🎎 Japanese Eras🇮🇷 Persian Nowruz🇪🇹 Ethiopian Calendar📊 Date Calculations🎓 Academic Research📱 App Development📜 Document Dating🌍 International Business🧮 Age Verification

💡Pro Tips for Date Conversion

✓Use Calendar tab to convert between all 8 calendar systems with authentic month names
✓Format tab offers 23+ date formats - perfect for international audiences and systems
✓Info tab shows day of year, week number, quarter, season
✓Age calculator gives detailed breakdown: years, months, days, total days, weeks, hours
✓Download results as text files for record keeping and offline reference
✓Use advanced calculator to add/subtract years, months, weeks, days simultaneously
✓Afghan calendar shows Nowruz detection and authentic Pashto/Dari month names
✓Copy any result to clipboard with one click - perfect for quick use

Frequently Asked Questions

The Date Converter is designed for converting between calendar systems (Gregorian, Islamic, Afghan, Persian, etc.) and performing date calculations such as age, differences, and adding or subtracting time. The Unit Converter is used for converting physical quantities like length, weight, temperature, and speed. Both tools run entirely in your browser and provide instant, accurate results.

We support 8 major calendar systems: Gregorian, Afghan Solar Hijri (with Pashto/Dari month names), Islamic (Civil), Persian Solar Hijri, Ethiopian, Indian National, Julian, and Buddhist Era calendars.

You can choose from 23+ date formats including ISO 8601, RFC 2822, UNIX timestamp, US format (MM/DD/YYYY), UK format (DD/MM/YYYY), European, Asian, military time, and many more.

Yes! Our age calculator provides detailed breakdown: years, months, days, total days, total weeks, total hours, total minutes, and total seconds. Perfect for precise age verification.

Yes! Our Afghan calendar implementation includes authentic Pashto and Dari month names, Nowruz (New Year) detection, and proper leap year calculations following the Solar Hijri system.

No! All processing happens locally in your browser. Your dates, calculations, and personal information never leave your device and are cleared when you close the page.

Calculate date differences (days, weeks, months, weekdays, weekends), precise age calculation, and advanced operations to add or subtract years, months, weeks, and days simultaneously.

Yes! Click the "Download Results" button to save all your conversions as a formatted text file for offline reference, record keeping, or sharing.

Get comprehensive date analysis: day of week, day of year, week number (ISO), quarter, leap year status, weekend detection, season, timezone (UTC), and UNIX timestamps in seconds and milliseconds.

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