Day Phase - 1
(48 hours)
1:23:40 MSD (UTC +04:00)
Saturday, 26th April, 1986
Reactor No. 4, Chernobyl Nuclear Power Plant
Pripyat, Ukraine SSR, Soviet Union
At 01:23:04, the test began. At 01:23:40, as recorded by the SKALA centralized control system, a scram (emergency shutdown) of the...