Astronomy•July 18, 2026
How Tithi is Calculated: The Astronomy of Lunar Days
Learn how the angular separation between the Moon and Sun determines the current Tithi and Paksha in Vedic calculations.
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Panchang & Panjika Guides
Learn the scientific astronomy, historical context, and mathematical equations governing our calendar system.
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Basics•July 18, 2026
What is Panjika? Understanding the Bengali Calendar
Discover the origins, history, and scientific astronomy behind the Bengali Panjika and the solar Bangabda calendar system.