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Indian Standard Time

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Indian Standard Time
time zone
  Indian Standard Time
UTC offset
ISTUTC+05:30
Current time
13:53, 17 June 2024 IST [refresh]
Observance of DST
DST is not observed in this time zone.

Indian Standard Time (IST) is the time zone for India and Sri Lanka. It is 5 hours and 30 minutes forward to Coordinated Universal Time (UTC+5:30). It does not use Daylight Saving Time (DST).

History in Sri Lanka[change | change source]

On 15 April 2006, Sri Lanka Time went back to match Indian Standard Time calculated from the Allahabad Observatory in India 82.5° longitude east of Greenwich, the calculation place for GMT. This time zone is used fully by Sri Lanka.

Since 1880, the time zone in Sri Lanka (also known as Ceylon up to 1972) has changed from UTC+05:30 to UTC+06:30.[1][2]

References[change | change source]

  1. "Time to end Sri Lanka time split?". 3 April 2006. Retrieved 22 October 2021.
  2. "Clarke in protest at Sri Lanka time zone switch". The Telegraph. Retrieved 11 October 2014.

Other websites[change | change source]