Question

the longitude that passes through allahabad​

Answer 1

Explanation:

82.5º east

British India did not adopt the international standard time zones until 1905 when the meridian passing through Allahabad at 82.5º east (of Greenwich Meridian) longitude was picked as the central meridian for India, corresponding to a single time zone for the country at 5 hours and 30 minutes in advance of GMT.

Answer 2

82.5 degree east the longitude pass through allahabad