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Surya Siddhanta: Ancient Wisdom for Modern Timekeeping by Yogesh Tiwari

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Surya Siddhantha Measured Time Before Modern Clocks — by Yogesh Tiwari

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🌞 A Timeless Alternative to Daylight Saving: Surya Siddhantha and the Ujjain Prime Meridian - by Yogesh Tiwari

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🌞 A Timeless Alternative to Daylight Saving: Surya Siddhantha and the Ujjain Prime Meridian Introduction As the world questions the effectiveness and health impacts of Daylight Saving Time (DST), ancient Indian astronomy offers a fascinating, logical alternative rooted in celestial observation: Surya Siddhantha. Developed thousands of years ago, the Surya Siddhantha is a Sanskrit astronomical treatise that laid the foundation for timekeeping in India. It accurately describes solar movements, earth’s tilt, and the role of the sunrise at Lanka (roughly corresponding to Ujjain’s longitude) as a reference for time measurement. Today, we explore how this system—placing Ujjain (India) as the Prime Meridian (0° longitude)—offers a geographically fair, astronomically grounded alternative to artificial adjustments like DST. 🧭 Why Ujjain as the Prime Meridian? Geographic and Astronomical Justification Ujjain (Longitude ~75.8° E) lies close to the ancient city of Lanka (as per Surya Sid...
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