The Multi-Calendar Date Calculator allows you to view today's date in four different calendar systems and convert dates between them. This tool is essential for understanding how different cultures and religions track time, making it valuable for international communication, religious observances, and cultural studies. Whether you need to know the Islamic date for Ramadan planning, the Chinese date for Lunar New Year, or the Desi date for Nepali festivals, this calculator provides instant conversion between all major calendar systems.

Required Inputs & Typical Use Cases

• Date Input

  Enter a date in YYYY-MM-DD format to convert between calendar systems.

• Calendar Selection

  Choose from Islamic (Hijri), Gregorian, Desi (Bikram Sambat), or Chinese calendars.

Common scenarios: (1) Convert your birthday to Islamic calendar for religious observances; (2) Find the Chinese zodiac year for astrological purposes; (3) Convert business dates to Nepali calendar for official documents; (4) Plan international events across different cultural calendars; (5) Understand historical dates in their original calendar context.

The Formula

Calendar conversions use astronomical calculations:
Islamic: Based on lunar cycles (354-355 days/year)
Gregorian: Solar-based (365-366 days/year)
Desi: Solar-based with cultural month names
Chinese: Lunisolar with 60-year cycles

• Date

  Input date in any supported calendar

• Year

  Year in the respective calendar system

• Month

  Month number and name in the calendar

• Day

  Day of the month

Worked Example

1. Step 1: View Today's Date

   The calculator automatically shows today's date in all four calendar systems.

2. Step 2: Enter a Date

   Input any date in YYYY-MM-DD format (e.g., 2024-01-15).

3. Step 3: Convert

   Click Convert to see the equivalent date in Islamic, Chinese, and Desi calendars.

4. Step 4: Compare Results

   Compare how the same moment in time is represented across different cultural systems.

Tips, Assumptions & Limitations

• Note that calendar conversions are approximate and may vary slightly from official calculations.
• Islamic calendar dates depend on moon sightings and may vary by region.
• Chinese calendar uses complex astronomical calculations for precise conversions.
• Desi calendar is primarily used in Nepal and parts of India.
• Always verify important dates with official sources for religious or legal purposes.