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Indian Time Meridian
(IST)
Allahabad, India
The longitude against which Indian Standard time is set passes through
Allahabad, India.
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.
This went into force on January 1, 1906. However, Calcutta time was officially
maintained as a separate time zone until 1948. Bombay time was maintained but
only informally until about 1955.
After independence and the partition of British India, Pakistan stayed on Indian
Standard Time for three years and adopted Pakistan Standard Time at 5 hours in
advance of GMT in 1951.
Map of
Allahabad, India
Indian Astronomy Institutions
Raman Research Institute, Bangalore
Observing Facilities, Research Briefs, Publications, ....
Inter University
Centre for Astronomy & Astrophysics, Pune
About IUCAA, Research & Publications....
National Centre
for Radio Astrophysics, Pune
Research Opportunities, Calendar, Library, Observing with GMRT....
Physical Research
Laboratory, Ahmadabad
About PRL, Album, Research Divisions....
Physics Department, Bangalore University, Bangalore
General Information, Research
Projects....Physics
Department, Indian Institute of Science, Bangalore
History, Research, Programmes, Joint
Astronomy Programme....
Tata Institute of
Fundamental Research, Mumbai
About TIFR, Colloquiua &
Seminars.... | |
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News:
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USA & Canada clocks
on Daylight Saving Time until:
Sunday 4 November 2012 2am local time
Europe / UK clocks
on Daylight Saving Time until:
Sunday 28 October 2012 01:00 GMT
Australia clocks
on Standard Time until:
Sunday 7 October 2012 3am local time
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