你也可以使用这种格式:

$date = date("d-m-Y");

Or

$date = date("Y-m-d H:i:s");

从PHP 5.2.0开始，你可以使用DateTime()类:

use \Datetime;

$now = new DateTime();
echo $now->format('Y-m-d H:i:s');    // MySQL datetime format
echo $now->getTimestamp();           // Unix Timestamp -- Since PHP 5.3

并指定时区:

$now = new DateTime(null, new DateTimeZone('America/New_York'));
$now->setTimezone(new DateTimeZone('Europe/London'));    // Another way
echo $now->getTimezone();

参考:这里有一个链接

由于使用夏令时，这比简单地在时间戳中添加或减去一天或一个月中的秒数更可靠。

PHP代码

// Assuming today is March 10th, 2001, 5:16:18 pm, and that we are in the
// Mountain Standard Time (MST) Time Zone

$today = date("F j, Y, g:i a");                 // March 10, 2001, 5:16 pm
$today = date("m.d.y");                         // 03.10.01
$today = date("j, n, Y");                       // 10, 3, 2001
$today = date("Ymd");                           // 20010310
$today = date('h-i-s, j-m-y, it is w Day');     // 05-16-18, 10-03-01, 1631 1618 6 Satpm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.');   // it is the 10th day.
$today = date("D M j G:i:s T Y");               // Sat Mar 10 17:16:18 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h');     // 17:03:18 m is month
$today = date("H:i:s");                         // 17:16:18
$today = date("Y-m-d H:i:s");                   // 2001-03-10 17:16:18 (the MySQL DATETIME format)

您的国家时区:支持的时区列表

date_default_timezone_set('Asia/Kolkata');

$dateYmd = date('Y-m-d');
echo "Current Year Month Day: $dateYmd";

本年月日:2022-01-03

$datehms = date('h:i:s');
echo "Current Hour Minute Second: $datehms";

当前小时分秒:11:05:38

设置时区:

date_default_timezone_set('Asia/Calcutta');

然后调用日期函数

$date = date('Y-m-d H:i:s');

使用date()和DateTimeInterface::format格式化日期，即date('Y-m-d H:i:s');，你有这些可选格式:

来源:DateTimeInterface:::格式页面。