Unix timestamp, Unix timestamp conversion tool
current timestamp
Beijing time

Unix timestamp → Beijing time

Unix timestamp
Beijing time

Beijing time → Unix timestamp (Unix timestamp)

Beijing time
Unix timestamp

Introduction to Unix timestamp conversion tool

Unix时间戳转换工具，可以将Unix时间戳转换成标准格式的北京时间，也可以将标准格式的北京时间转换为 UNIX 时间戳；

什么是Unix时间戳(Unix timestamp)：时间戳是指格林威治时间1970年01月01日00时00分00秒(北京时间1970年01月01日08时00分00秒)起至现在的总秒数。

PHP example Unixtime usage ：

Get the current timestamp: $time = time(); Convert to Beijing time: $datetime = date('Y-m-d H:i:s',$time); Convert to timestamp: $unixtime = strtotime($datetime); （www. pcjson .com）

1、不同程序语言或数据库中，获取现在的Unix时间戳(Unix timestamp)的方法：

PHP time()
Java time
JavaScript Math.round(new Date().getTime()/1000)
The unit of the value returned by getTime() is milliseconds
.NET / C# time = (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000
MySQL SELECT unix_timestamp(now())
Perl time
PostgreSQL SELECT extract(time FROM now())
Python First import time and then time.time()
Ruby Get Unix timestamp: Time.now or Time.new
Display Unix timestamp: Time.now.to_i
SQL Server SELECT DATEDIFF(s, '1970-01-01 00:00:00', GETUTCDATE())
Unix / Linux date +%s
VBScript / ASP DateDiff("s", "01/01/1970 00:00:00", Now())

2、不同程序语言或数据库中，实现普通时间 → Unix时间戳(Unix timestamp)：

PHP mktime(hour, minute, second, day, month, year)
Java long datetime = new java.text.SimpleDateFormat("dd/MM/yyyy HH:mm:ss").parse("01/01/1970 01:00:00");
JavaScript var commonTime = new Date(Date.UTC(year, month - 1, day, hour, minute, second))
MySQL SELECT unix_timestamp(time)
时间格式: YYYY-MM-DD HH:MM:SS 或 YYMMDD 或 YYYYMMDD
Perl 先 use Time::Local 然后 my $time = timelocal($sec, $min, $hour, $day, $month, $year);
PostgreSQL SELECT extract(datetime FROM date('YYYY-MM-DD HH:MM:SS'));
Python 先 import time 然后 int(time.mktime(time.strptime('YYYY-MM-DD HH:MM:SS', '%Y-%m-%d %H:%M:%S')))
Ruby Time.local(year, month, day, hour, minute, second)
SQL Server SELECT DATEDIFF(s, '1970-01-01 00:00:00', datetime)
Unix / Linux date +%s -d"Jan 1, 1970 00:00:01"
VBScript / ASP DateDiff("s", "01/01/1970 00:00:00", datetime)

3、不同程序语言或数据库中，Unix时间戳(Unix timestamp) 转为 普通时间（年-月-日 时:分:秒）：

PHP date('r', Unix timestamp)
Java String datetime = new java.text.SimpleDateFormat("dd/MM/yyyy HH:mm:ss").format(new java.util.Date(Unix timestamp * 1000))
JavaScript 先 var unixTimestamp = new Date(Unix timestamp * 1000) 然后 commonTime = unixTimestamp.toLocaleString()
Linux date -d @Unix timestamp
MySQL from_unixtime(Unix timestamp)
Perl 先 my $time = Unix timestamp 然后 my ($sec, $min, $hour, $day, $month, $year) = (localtime($time))[0,1,2,3,4,5,6]
PostgreSQL SELECT TIMESTAMP WITH TIME ZONE 'time' + Unix timestamp) * INTERVAL '1 second';
Python First import time and then time.gmtime(Unix timestamp)
Ruby Time.at(Unix timestamp)
SQL Server DATEADD(s, Unix timestamp, '1970-01-01 00:00:00')
VBScript / ASP DateAdd("s", Unix timestamp, "01/01/1970 00:00:00")

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