Tea Garden Time: India's Secret Second Clock, Explained

Assam's tea estates run on 'Bagan Time' — clocks set one hour ahead of IST since the British era.

India spans nearly two hours of natural sunlight but uses one clock, fixed to 82.5°E near Mirzapur.

In Arunachal, the sun can rise by 4 am IST and set by 4 pm, wasting daylight and energy.

CSIR-NPL has proposed a second zone, IST-II (UTC+6:30), that could save millions of units of power yearly.

Before 1947 India ran on Bombay Time and Calcutta Time — local clocks minutes apart.

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