package main
import (
	"fmt"
	"time"
)
 
func main(){
	jst := time.FixedZone("Asia/Tokyo", 9*60*60)
 
	fmt.Println("now", time.Now().UnixNano())
	fmt.Println("startDate 2025/09/19", time.Date(2025, time.Month(9), 19, 0, 0, 0, 0, jst).UnixNano())
	// fmt.Println("endDate 2023/08/24", time.Date(2023, time.Month(8), 24, 23, 59, 59, 999999999, jst).UnixNano())
	fmt.Println("endDate MAX_DATE", time.Date(2261, time.December, 31, 23, 59, 59, 0, time.UTC).UnixNano())
}

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