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incorrect dates for Maharana Pratap Jayanti (RJ) and Bathukamma (TS) #3123

@pareshjoshij

Description

@pareshjoshij

Description

This issue tracks the correction of date calculations for two regional holidays in India: Maharana Pratap Jayanti (Rajasthan) and Bathukamma Festival (Telangana).

Currently, these holidays rely on hardcoded dates (e.g., June 15 or Oct 6) or incorrect logic that does not account for the Hindu Lunisolar calendar (including Adhik Maas adjustments).

References & Verification

  1. Maharana Pratap Jayanti (Rajasthan):

    • Correct Logic: Observed on Jyeshtha Shukla Tritiya.
    • Verification: The Government of Rajasthan Holiday Calendar 2026 confirms the date as June 17, 2026 (due to Adhik Maas), whereas the current code incorrectly predicts dates like June 15.
  2. Bathukamma Festival (Telangana):

    • Correct Logic: Starts on Mahalaya Amavasya (Bhadrapada Amavasya).
    • Verification: The Telangana Government Calendar 2025 confirms the festival aligns with Mahalaya Amavasya.

Proposed Solution

I have implemented lookup tables in hindu.py with verified dates (2010–2035) to handle these lunar shifts accurately, replacing the static assignments in india.py.

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