webkit time conversion

webkittime.go

package main

import (
	"fmt"
	"time"
)

func main() {
	//2020-09-21 22:49:02
	const wk int64 = 13245202142853170
	const correctedMicros int64 = wk - (11644473600 * 1000000)
	const wholeSeconds int64 = correctedMicros / 1000000
	const remainderMicros int64 = correctedMicros - (wholeSeconds * 1000000)
	const remainderNanos int64 = remainderMicros * 1000
	t := time.Unix(wholeSeconds, remainderNanos)
	fmt.Println(t.UTC().String())
}