Question

What is meant by the Indian Standard Time? What is it's importance?

Answer 1

$a \: standard \: meridian \: is \: chosen \: ad \: the \: local \: time \: of \: that \: standard \: meridian \: of \: a \: country \: is \: officilly \: followed. \\ it \: is \: called \: the \: indian \: standard \: time(ist). \\ indian \: standard \: time \: is \: the \: local \: time \: on \: the \: meridian \: of \: longitude \: passing \: through \: allahabad \: 82.5 degre \: east \: of \: the \\ \: grenwich \: meridian.$