1 Heat the olive oil in a skillet over medium-high heat; cook the tilapia in the hot oil until the fish flakes easily with a fork, about 4 minutes per side. 2  Brush the melted butter onto the tilapia in the last minute before removing from the skillet. 3  Serve immediately.
Definition of epoch. 1a : an event or a time marked by an event that begins a new period or developmentb : a memorable event or date. 2a : an extended period of time usually characterized by a distinctive development or by a memorable series of eventsb : a division of geologic time less than a period and greater than an age.
The Unix epoch is the time 00:00:00 UTC on 1 January 1970. There is a problem with this definition, in that UTC did not exist in its current form until 1972; this issue is discussed below. For brevity, the remainder of this section uses ISO 8601 date format, in which the Unix epoch is 1970-01-01T00:00:00Z.