date-day-estimator 0.0.4

# DATE DAY PREDICTOR

date_day_estimator is a Python package that calculates the day of the week for a given date using Zeller’s Congruence.

## Installation

`bash pip install date-day-estimator `

## Usage

from date_day_estimator.date_day_estimator import zellers_congruence

# Example: Find the day of the week for 5th July 1995 day_number, day_name = zellers_congruence(5, 7, 1995)

print(day_number) # 4 print(day_name) # ‘Wednesday’

## FORMULA

Zeller’s Congruence, which is an algorithm used to calculate the day of the week for any given date. It typically takes the following form:

[ h = left(q + leftlfloor rac{13(m+1)}{5} ight floor + K + leftlfloor rac{K}{4} ight floor + leftlfloor rac{J}{4} ight floor - 2J ight) mod 7 ]

Where: - ( h ) is the day of the week (0 = Saturday, 1 = Sunday, 2 = Monday, etc.), - ( q ) is the day of the month, - ( m ) is the month (March = 3, April = 4, …, February = 14), - ( K ) is the year of the century (i.e., year % 100), - ( J ) is the zero-based century (i.e., year // 100).