This topic describes the syntax, description, parameters, and return values of time functions. This topic also provides examples of these functions.

today

The following table describes the details about this function.
Feature Description
Syntax today()
Description Queries the current date in the format of yyyy-mm-dd.
Parameter N/A
Return value Returns the current date in a string in the format of yyyy-mm-dd.
Example 
say(concat('today:', today()))
Output:
today:2019-05-23

time

The following table describes the details about this function.
Feature Description
Syntax time()
Description Queries the current UNIX timestamp, excluding the fractional part of milliseconds. Unit: seconds.
Parameter N/A
Return value Returns the current UNIX timestamp.
Example 
say(concat('time:', time()))
Output:
time:1559109666

now

The following table describes the details about this function.
Feature Description
Syntax now()
Description Queries the current UNIX timestamp, including the fractional part of milliseconds. Unit: seconds.
Parameter N/A
Return value Returns the current UNIX timestamp.
Example 
say(concat('now:', now()))
Output:
now:1559109666.644

localtime

The following table describes the details about this function.
Feature Description
Syntax localtime()
Description Queries the current date and time in the format of yyyy-mm-dd hh:mm:ss.
Parameter N/A
Return value Returns the current UTC time in a string in the format of yyyy-mm-dd hh:mm:ss.
Example 
say(concat('localtime:', localtime()))
Output:
localtime:2019-05-29 14:02:41

utctime

The following table describes the details about this function.
Feature Description
Syntax utctime()
Description Queries the current UTC time in the format of yyyy-mm-dd hh:mm:ss.
Parameter N/A
Return value Returns the current UTC time in a string in the format of yyyy-mm-dd hh:mm:ss.
Example 
say(concat('utctime:', utctime()))
Output:
utctime:2019-05-29 06:02:41

cookie_time

The following table describes the details about this function.
Feature Description
Syntax cookie_time(sec)
Description Generates a time string that can be used in cookies based on a UNIX timestamp.
Parameter sec: the UNIX timestamp. To query the UNIX timestamp, you can call the time() function.
Return value Returns a time string that can be used in cookies based on the UNIX timestamp specified by the sec parameter.
Example 
say(concat('cookie_time:', cookie_time(time())))
Output:
cookie_time:Wed, 29-May-19 06:02:41 GMT

http_time

The following table describes the details about this function.
Feature Description
Syntax http_time(sec)
Description Generates a time string that can be used in HTTP headers based on a UNIX timestamp. For example, you can call this function to generate a time string that can be used in the Last-Modified header.
Parameter sec: the UNIX timestamp. To query the UNIX timestamp, you can call the time() function.
Return value Returns a time string that can be used in HTTP headers based on the UNIX timestamp specified by the sec parameter.
Example 
say(concat('http_time:', http_time(time())))
Output
http_time:Wed, 29 May 2019 06:02:41 GMT

parse_http_time

The following table describes the details about this function.
Feature Description
Syntax parse_http_time(str)
Description Parses a time string that is used in HTTP headers and returns the corresponding UNIX timestamp.
Parameter str: the time string that you want to parse. Example: Wed, 29 May 2019 06:02:41 GMT. To query the time string, you can call the http_time() function.
Return value If the function succeeds, a UNIX timestamp is returned. Otherwise, false is returned.
Example 
say(concat('parse_http_time:', parse_http_time(http_time(time()))))
Output
parse_http_time:1559109761

unixtime

The following table describes the details about this function.
Feature Description
Syntax unixtime(year, month, day, hour, min, sec)
Description Generates and returns a UNIX timestamp based on the provided values of the year, month, day, hour, min, and sec parameters.
Parameter
  • year: specifies the year.
  • month: specifies the month.
  • day: specifies the day.
  • hour: specifies the hour.
  • min: specifies the minute.
  • sec: specifies the second.
Return value Returns a UNIX timestamp.
Example 
t = unixtime(1970, 1, 1, 8, 0, 0)
say(concat('unixtime()=', t))
Output
unixtime()=0