D2J (Date to Jalali) is a Python module designed for converting dates between the Gregorian and Jalali (Persian) calendars. It offers a range of methods for displaying Jalali dates as strings, retrieving day, month, and year components individually, converting numbers to Persian, and determining the day of the week.

• Supports various input types: Including date strings in multiple formats, datetime.date and datetime.datetime objects, tuples, lists, and Unix timestamps.
• Convert Gregorian to Jalali: Direct conversion of Gregorian dates to Jalali dates.
• Display as String or Tuple: Option to display dates as custom strings or to retrieve day, month, and year separately.
• Add or Subtract Days: Easily add or subtract a specific number of days from a date.
• Calculate Day of the Week and Leap Year: Determine the day of the week and check if the Jalali year is a leap year.
• New Features: Includes __str__, __repr__, now, and get_date methods for enhanced display and retrieval of original input dates.

To install this library, run the following command in your terminal:

pip install D2J

To create a D2J object, you can pass various types of date inputs. These inputs include date strings in different formats, datetime.date object, Unix timestamp, and tuples or lists containing the year, month, and day.

Examples of creating a D2J object with different inputs:

from d2j import D2J
import datetime

# Using various string formats
date1 = D2J("2024-10-27")
date2 = D2J("27-10-2024")
date3 = D2J("10/27/2024")

# Using a datetime.date object
date4 = D2J(datetime.date(2024, 10, 27))

# Using a datetime.datetime object
date5 = D2J(datetime.datetime(2024, 10, 27, 12, 30))

# Using a tuple or list
date6 = D2J((2024, 10, 27))
date7 = D2J([2024, 10, 27])

# Using a Unix timestamp
date8 = D2J(1730057449)

This class method returns a D2J object with the system’s current date.

current_date = D2J.now()

These methods provide a string representation of the D2J object and return the Jalali date by default.

print(date1)  # Outputs the date as a string
repr(date1)   # Shows the string representation with `repr`

Returns the original input date (Gregorian or Jalali) in its initial format. The sep parameter specifies the separator, and persian_numbers can be set to True to display numbers in Persian.

input_date = date1.get_date()
input_date_persian = date1.get_date(persian_numbers=True)

Converts the Jalali date to Gregorian and returns it as a string. If the input date was already Gregorian, it returns the original date unchanged.

gregorian_date = date1.to_gregorian()
gregorian_date_persian = date1.to_gregorian(persian_numbers=True)

Returns the Jalali date as a tuple (year, month, day). If persian_numbers=True, the numbers are displayed in Persian.

jalali_tuple = date1.as_tuple()
jalali_tuple_persian = date1.as_tuple(persian_numbers=True)

Returns the Jalali date as a string. The sep parameter specifies the separator to use (default is "-"). If persian_numbers=True, the numbers are displayed in Persian.

jalali_string = date1.as_string()
jalali_string_custom_sep = date1.as_string(sep="/")
jalali_string_persian = date1.as_string(persian_numbers=True)

Returns the Jalali date as a verbose string, including the day, Persian month name, and year. If persian_numbers=True, numbers are displayed in Persian.

jalali_verbose = date1.as_verbose()
jalali_verbose_persian = date1.as_verbose(persian_numbers=True)

Returns the name of the weekday for the Gregorian input date in Persian (e.g., "Monday" as "دوشنبه").

day_of_week = date1.get_day_of_week()

Checks if the Jalali year is a leap year.

is_leap = date1.is_leap_year()

Adds the specified number of days to the current date and returns a new D2J object with the updated date.

new_date = date1.add_days(10)

Subtracts the specified number of days from the current date and returns a new D2J object with the updated date.

new_date = date1.subtract_days(10)

Returns the day component of the Jalali date. If persian_numbers=True, the day is displayed in Persian.

day = date1.get_day()
day_persian = date1.get_day(persian_numbers=True)

Returns the month component of the Jalali date. If persian_numbers=True, the month is displayed in Persian.

month = date1.get_month()
month_persian = date1.get_month(persian_numbers=True)

Returns the year component of the Jalali date. If persian_numbers=True, the year is displayed in Persian.

year = date1.get_year()
year_persian = date1.get_year(persian_numbers=True)

Here are a few examples to illustrate how to use various methods in the D2J module:

# Creating an object with the current system date
current_date = D2J.now()

# Displaying the Jalali date as a string with "/" as the separator
print(current_date.as_string(sep="/"))

# Displaying the Jalali date in verbose form
print(current_date.as_verbose())

# Converting the Jalali date to Gregorian
print(current_date.to_gregorian())

# Adding 15 days to the date
print(current_date.add_days(15).as_string())
print(current_date.add_days(15).as_string(persian_numbers=True, sep='/'))

# Retrieving the weekday
print(current_date.get_day_of_week())

# Checking if the Jalali year is a leap year
print(current_date.is_leap_year())

This project is licensed under the MIT License. For more details, please refer to the LICENSE file.