Python's built-in function time

Time Module

1 >>> Import time 2 >>> time.time () 3 1491064723.808669 4 >>> # Time.time () returns the timestamp of the current time timestamp (  Defined as the total number of seconds from GMT January 01, 1970 00:00 00 seconds to present, no parameters 5 >>> time.asctime () 6 ' Sun Apr 2 00:39:32 ' 7 >>> #  Time.asctime () Convert Struct_time object format to string format ' Sun Apr 2 00:39:32 ' 8 >>> time.asctime (Time.gmtime ()) 9 ' Sat APR 1 16:41:41 >>> Time.asctime (Time.localtime ()) One ' Sun Apr 2 00:42:06 ' >>> time.ctime (13) ' Sun Apr 2 00:42:29 >>> # time.ctime () convert timestamp to string format ' Sun Apr 2 00:42:29 2017 ', default current timestamp [Tim] E.ctime (1491064723.808669) ' Sun Apr 2 00:38:43 ' >>> Time.altzone # Returns the time difference from UTC, in seconds 18-3240019 >&G T;> Time.localtime () # Converts the timestamp to the Struct_time object format, returning the current timestamp by default (tm_year=2017, tm_mon=4, tm_mday=2, tm_ Hour=0, tm_min=45, tm_sec=26, tm_wday=6, tm_yday=92, tm_isdst=0) >>> time.localtime (1491064723.808669) 22 Time.struct_time (tm_year=2017, tm_mOn=4, tm_mday=2, tm_hour=0, tm_min=38, tm_sec=43, tm_wday=6, tm_yday=92, tm_isdst=0) >>> >>> time. Gmtime () # converts the UTC timestamp to the Struct_time object format, returning the current time by default to Time.struct_time (tm_year=2017, tm_mon=4, Tm_mday=1, tm_hour=16, tm_ Min=46, tm_sec=32, tm_wday=5, tm_yday=91, tm_isdst=0) >>> time.gmtime (1491064723.808669) time.struct_ Time (tm_year=2017, tm_mon=4, Tm_mday=1, tm_hour=16, tm_min=38, tm_sec=43, tm_wday=5, tm_yday=91, tm_isdst=0) >> > >>> >>> time.strftime ('%y-%m-%d%h:%m:%s ', Time.localtime ()) # The local time struct_ The time format is converted to a custom string format 2017-04-01 23:15:4731 ' 2017-04-02 00:47:49 ' >>> >>> time.strftime ('%y-%m-%d%H: %m:%s ', Time.gmtime () # convert UTC time Struct_time format to custom string format 2017-04-01 23:15:4734 ' 2017-04-01 16:48:27 ' >>> &G T;>> time.strptime (' 2017-04-02 00:47:49 ', '%y-%m-%d%h:%m:%s ') # Convert date string to struct_time time object format, note converted Tm_isdst=-1 () Daylight saving Time status PNs time.struct_time (tm_year=2017, tm_mon=4, Tm_mday=2, TM_hour=0, tm_min=47, tm_sec=49, tm_wday=6, tm_yday=92, tm_isdst=-1) >>> >>> time.mktime ( Time.localtime ()) 1491065416.041 >>> # Turns the Struct_tiame time object into a timestamp result returns 1491061855.0, ignoring the time less than the second (after the decimal point) > >> >>> time.mktime (Time.localtime (1491061855.0011407)) 1491061855.045 >>> # The result returns 1491061855.0, ignoring the time less than seconds (ignoring the decimal point). >>> >>> Time.mktime (Time.gmtime (1491061855.0011407)) 48 1491033055.049 >>> >>> # results return 1491033055.0, ignoring time less than seconds (ignoring the decimal point) or >>>

　　

Format characters and meanings

%a Week's shorthand. As Wednesday for web
%A week's full write. As in Wednesday for Wednesday
Abbreviated%B month. If April is Apr
Full write of%b month. As in April for April
%c: string representation of DateTime. (Example: 04/07/10 10:43:39)
%d: The number of days in the month (the day of the week)
%f: microseconds (range [0,999999])
%H: Hours (24-hour, [0, 23])
%I: Hours (12-hour, [0, 11])
%j: Number of days in the year [001,366] (the day of the current year)
%m: Month ([01,12])
%M: Minutes ([00,59])
%p:am or PM
%s: seconds (range = [00,61], why not [00, 59], refer to Python manual ~_~)
%u: Week in the Year of the Week of the year), Sunday as the first day of the week
%w: Today in this week's days, the range is [0, 6],6 represents Sunday
%W: Week of the Year (the Week of the year), Monday as the first day of the week
%x: Date string (for example: 04/07/10)
%x: Time string (for example: 10:43:39)
%y:2 the year represented by a number
%y:4 the year represented by a number
%z: Interval with UTC time (if local time, returns an empty string)
%Z: Time zone name (if local time, returns an empty string)

Python's built-in function time