Indian Standard Time

Indian Standard Time (IST) ek time hae jiske India aur  Lanka me kaam me lawajaae hae, aur jon ki UTC se paanch aur aadha ghanta aage hae. 1 January 1906  British India me Indian Standard Time kaam me lae ke suruu karaa gais.

 Pahile kaam me lae ke  timezones 
Time ZoneUTCPeriodPurposeBombay TimeUTC+04:511884–1955OfficialCalcutta TimeUTC+05:53:201884–1948OfficialMadras TimeUTC+05:21:141802–1906RailwaysPort Blair mean timeUTC+06:10:3719th century–1906Local

References

Ii bhi dekho
 UTC+05:30
Bahaari jorr
 abhi ke IST time dekhi
vibhag:India