HarmonyOS systemDateTime能够获取更多时区信息

let date: Date = new Date(); 
console.info(`date.toString() res : ` + date.toString()); 
console.info(`date.toDateString() res: ` + date.toDateString()); 
console.info(`date.toTimeString() res: ` + date.toTimeString()); 
console.info(`date.toLocaleString() res: ` + date.toLocaleString()); 
console.info(`date.toLocaleDateString() res: ` + date.toLocaleDateString()); 
console.info(`date.getFullYear() res: ` + date.getFullYear()); 
console.info(`date.getUTCFullYear() res: ` + date.getUTCFullYear()); 
console.info(`date.getMonth() res: ` + date.getMonth()); 
console.info(`date.getUTCDay() res: ` + date.getUTCDay()); 
console.info(`date.getDay() res: ` + date.getDay()); 
//输出结果如下所示 
date.toDateString() res: Wed Nov 15 2023 
date.toTimeString() res: 17:40:43 GMT+0800 
date.toLocaleString() res: 11/15/2023, 5:40:43 PM 
date.toLocaleDateString() res: 11/15/2023 
date.getFullYear() res: 2023 
date.getUTCFullYear() res: 2023 
date.getMonth() res: 10 
date.getUTCDay() res: 3 
date.getDay() res: 3
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