standard/time/test3/main.go

package main

import (
	"fmt"
	"time"
)

var DateFmtYYYYMMDD = "2006-01-02"
var DateFmtYYYYMMDD2 = "2006/01/02"
var DateFmtYYYYMMDD3 = "2006-01-02 16:00:00"

func main() {
	//utcZone := time.FixedZone("UTC", 0)
	//time.Local = utcZone
	time1 := "2022/4/30"
	parseTime1, err := time.Parse(DateFmtYYYYMMDD2, time1)
	if err != nil {
		fmt.Println(err.Error())
	}

	time2 := "2022-04-02"
	parseTime2, err := time.Parse(DateFmtYYYYMMDD2, time2)
	if err != nil {
		fmt.Println(err.Error())
	}

	fmt.Println("1111", parseTime1)
	fmt.Println(parseTime2)

	fmt.Println(time.Now().Add(8 * time.Hour))
	time3 := time.Now().Format(DateFmtYYYYMMDD)
	fmt.Println(time3)
	a, b, c := time.Now().Add(8 * time.Hour).Date()
	fmt.Println(a, b, c)

	//time4 := "2022-04-01 05:00:00"
	//parseTime4, err := time.Parse(DateFmtYYYYMMDD3, time4)
	//if err != nil {
	//	fmt.Println(err.Error())
	//}
	//fmt.Println(parseTime4)
	now := time.Now()
	fmt.Println(time.Now())
	fmt.Println(int(now.Month()))
	fmt.Println(now.Day())
	endTime := fmt.Sprintf("%s 16:00", now.AddDate(0, 0, -now.Day()).Format("2006-01-02"))
	fmt.Println(endTime)
}