Indian Standard Time
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).
| Indian Standard Time | |
|---|---|
| time zone | |
 Indian Standard Time | |
| UTC offset | |
| IST | UTC+05:30 |
| Current time | |
| 17:10, December 27, 2024 (IST) () | |
| Observance of DST | |
| DST is not observed in this time zone. | |
History in Sri Lanka
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]
Indian Standard Time Media
Location of Mirzapur (near Allahabad) and the 82°30’ E longitude that is used as the reference longitude for IST
References
- ↑ (in en-GB) Time to end Sri Lanka time split?. 2006-04-03. http://news.bbc.co.uk/2/hi/south_asia/4865972.stm. Retrieved 2021-10-22.
- ↑ "Clarke in protest at Sri Lanka time zone switch". The Telegraph. Retrieved 11 October 2014.
- Indian Standard Time Archived 2009-04-24 at the Wayback Machine