package main
import (
"fmt"
"time"
)
func main() {
now := time.Now()
secs := now.Unix()
nanos := now.UnixNano()
fmt.Println(now)
millis := nanos / 1000000
fmt.Println(secs)
fmt.Println(millis)
fmt.Println(nanos)
fmt.Println(time.Unix(secs, 0))
fmt.Println(time.Unix(0, nanos))
}$ go run epoch.go
2012-10-31 16:13:58.292387 +0000 UTC
1351700038
1351700038292
1351700038292387000
2012-10-31 16:13:58 +0000 UTC
2012-10-31 16:13:58.292387 +0000 UTC