# Gregorian to Islamic Calendar

Convert Gregorian calendar dates to Islamic (Hijri) calendar dates

> Canonical page: https://elysiatools.com/en/tools/gregorian-to-islamic

- **Category:** Utilities

- **Keywords:** gregorian, islamic, hijri, calendar, date, converter, muslim, lunar calendar

## Overview

This tool converts dates from the Gregorian calendar to the Islamic (Hijri) calendar. Input a Gregorian date to receive the corresponding Islamic date in a structured JSON format, useful for religious, cultural, or scheduling purposes.

## Inputs

- **Gregorian Date** (date): Select Gregorian date

## When to use

- When planning events or appointments based on the Islamic lunar calendar, such as religious holidays.
- For academic research or historical analysis requiring date conversions between Gregorian and Islamic calendars.
- When personal record-keeping involves dates significant in the Islamic tradition, like birthdates or anniversaries.

## How it works

- Select or enter a Gregorian date using the date input field.
- The tool processes the date using standard conversion algorithms to calculate the Islamic equivalent.
- The result is displayed in JSON format, showing the Islamic year, month, and day.

## Use cases

- Converting Gregorian birthdates to Islamic dates for personal or family records.
- Scheduling travel or business activities around Islamic holidays like Ramadan or Eid al-Fitr.
- Integrating date conversions into educational tools or websites serving Muslim communities.

## Frequently asked questions

### How accurate is the date conversion?

The conversion uses reliable algorithms based on the Umm al-Qura calendar for standard accuracy.

### What date range is supported?

The tool typically supports Gregorian dates from the 19th to the 21st century, but check for specific limitations.

### Can I convert multiple dates at once?

No, this tool converts one date per use. For batch conversions, consider using an API or script.

### What does the output JSON include?

The output includes the Islamic year, month, and day in a structured format for easy integration.

### Is the Islamic date adjusted for regional variations?

The tool provides a standard Hijri conversion; regional calendar differences may not be accounted for.

## Related tools

- [Islamic to Gregorian Calendar](https://elysiatools.com/en/tools/islamic-to-gregorian): Convert Islamic (Hijri) calendar dates to Gregorian calendar dates
- [Day of Year Converter](https://elysiatools.com/en/tools/day-of-year-converter): Convert any date to its day-of-year number (1-366) and back, with ISO week number, leap-year check, and days remaining in the year.
- [ISO Week Number and Fiscal Quarter Anchor Finder](https://elysiatools.com/en/tools/iso-week-number-and-fiscal-quarter-anchor): Convert any date to ISO 8601 week number, day-of-year, Julian Day, and fiscal-quarter boundaries (4-4-5, 4-5-4, 13-week, or standard).
- [Nepali Bikram Sambat & Thai Solar Calendar Bridge](https://elysiatools.com/en/tools/nepali-bikram-sambat-and-thai-solar-calendar-bridge): Convert any date between Gregorian (AD), the Nepali Bikram Sambat (BS) calendar, and the Thai solar (Buddhist Era, BE) calendar. Shows the BS month-length table for the year and explains the algorithm.
- [Coordinate DMS Converter](https://elysiatools.com/en/tools/coordinate-converter-dms): Convert latitude and longitude between decimal degrees and degrees-minutes-seconds (DMS) format
- [Coordinate Format Converter](https://elysiatools.com/en/tools/coordinate-format-converter): Convert between different latitude and longitude coordinate formats
- [Age Calculator](https://elysiatools.com/en/tools/age-calculator): Calculate age from birth date in years, months, days, and total time units
- [Date Adder](https://elysiatools.com/en/tools/date-adder): Add or subtract time periods from a date (years, months, days, hours, minutes, seconds)

## Samples

- [ICS Calendar Samples](https://elysiatools.com/en/samples/ics-samples): Sample iCalendar (.ics) files for testing calendar import, event parsing, reminders, and recurring schedules
- [Web Image Processing Python Samples](https://elysiatools.com/en/samples/web-image-processing-python): Web Python image processing examples using PIL/Pillow including reading, saving, resizing, and format conversion
- [Android Image Processing Java Samples](https://elysiatools.com/en/samples/android-image-processing-java): Android Java image processing examples including reading/saving images, scaling, and format conversion
- [Android Image Processing Kotlin Samples](https://elysiatools.com/en/samples/android-image-processing-kotlin): Android Kotlin image processing examples including reading/saving images, scaling, and format conversion
