time_gen.go

package main

import (
	"fmt"
	"time"
	"math/rand"
)

func main() {
	fmt.Println("generate time in/out")
	for i:=0; i <20 ; i++{
		tStart, _ := time.Parse(time.RFC3339, "2006-01-02T09:15:15+07:00")
		tStart = tStart.Add(time.Minute * time.Duration(rand.Intn(20)))
		tEnd := tStart.Add(time.Hour * 9).Add(time.Minute * time.Duration(rand.Intn(20)))
		fmt.Println(tStart.Format("03:04"), tEnd.Format("18:04"))		
	}
}