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astronomy-engine · Lahiri ayanamsa · 46 cities with full panchang

Panchang by City & Horizon नगर एवं क्षितिज पंचांग

Tithi, nakshatra and muhurat are defined by sunrise at your exact latitude and longitude. Sunrise moves west across the country, so every date here is computed per city, offline, with the Lahiri ayanamsa. 46 cities have a full page here; 185 are covered in the Chakra app.

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New Delhi (28.61°N, 77.21°E)Varanasi (25.32°N, 82.97°E)Ujjain (23.18°N, 75.79°E)· traditional prime meridianBengaluru (12.97°N, 77.59°E)London (51.51°N, 0.13°W)Singapore (1.35°N, 103.82°E)

Astronomical telemetry

The longitudinal sunrise wave across India

A tithi is tied to the moment the Sun rises where you are. On the same calendar date, sunrise reaches the east hours before the west — so a tithi that has already ended at dawn in one city can still be running at dawn in another, and every muhurat window shifts with it.

Same calendar dateSpan: 1h 3m
Kolkata5:23 AM43m before New Delhi
Varanasi5:44 AM22m before New Delhi
New Delhi6:06 AMReference
Ujjain6:13 AMTraditional prime meridian
Ahmedabad6:26 AM20m after New Delhi
Mumbai6:26 AM20m after New Delhi

How Chakra computes the panchang →

Amanta & Purnimanta

North India commonly counts months Purnimanta (ending at full moon), while most of the South and West count Amanta (ending at new moon). Chakra shows both names on every panchang page — you never have to pick a tradition, just read the one your family follows.

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Every city’s panchang is computed once at build time — nothing is looked up or logged when you open this page.Read the privacy policy →