如何获取两位数的月份和日期

import datetime

now = datetime.datetime.now()
month = now.strftime("%m")
day = now.strftime("%d")

var now = new Date();
var month = ("0" + (now.getMonth() + 1)).slice(-2);
var day = ("0" + now.getDate()).slice(-2);

import java.time.LocalDate;

LocalDate now = LocalDate.now();
String month = String.format("%02d", now.getMonthValue());
String day = String.format("%02d", now.getDayOfMonth());

set month=%date:~5,2%
set day=%date:~8,2%

month=$(date +%m)
day=$(date +%d)