Samara Time (SAMT) is the time zone four hours ahead of UTC () and 1 hour ahead of Moscow Time (MSK+1). Samara Time is used in Astrakhan Oblast, Samara Oblast, Saratov Oblast, Udmurtia, and Ulyanovsk Oblast.
Until a reform on 28 March 2010, Samara Time was in winter and Samara Summer Time (SAMST) was in summer. From that date, Samara Time was abolished with the two regions effectively joining Moscow Summer Time. In March 2011, Moscow time was moved forward to year-round, and Samara Time was reinstated on 26 October 2014, when Moscow time moved back one hour to year-round and Samara Oblast and Udmurtia remained on .
On 27 March 2016, Ulyanovsk Oblast and Astrakhan Oblast switched to Samara Time by moving the clock 1 hour forwards from Moscow time. On 4 December 2016, Saratov Oblast also switched to Samara Time by moving forward 1 hour from Moscow time. On 28 October 2018, Volgograd Oblast also switched to Samara Time by moving forward 1 hour from Moscow time, but this change was reverted on 27 December 2020.
In the zone.tab of the IANA time zone database, the zones with the same current offset are: