python datetime example

parameters: hour, minute, second, And microsecond. Note that replacement produces new objects without affecting the original time objects. Strftime () -- receives a format parameter and returns a string of the corresponding format. For example, '% H: % m: % s' Tzname () -- returns the name of the time zone. If the instance does not have the tzinfo parameter, null is returned. Utcoffset () -- return self. tzinfo. utcoffset (Self) >> Dir (

(): Converted from date format to string formatDatetime.datetime.now (). Strftime ('%b-%d-%y%h:%m:%s ')' apr-16-2017 21:01:35 'Datetime.datetime.strptime (): converted from string format to date formatDatetime.datetime.strptime (' apr-16-2017 21:01:35 ', '%b-%d-%y%h:%m:%s ')2017-04-16 21:01:35Iv. Timedelta class for DateTimeThe Datetime.datetime.timedelta is used to calculate the difference between two dates, for example:>>> A=datetime.datetime.now (

Python module knowledge 2: Time and date Calendar module Time, Datetime, Calendar, pythondatetime 1. time Module Why did the time start in 1970? Because Linux was used in that year, the time is usually represented by the following methods: Timestamp: the second after January 1, January 1, 1970, that is, time. time () can get the current timestamp. Formatted string:, for

Python commonly used time, datetime processing, pythondatetime In python, time has three formats: Float, Struct tuple(Time. struct_time or datetime. datetime ), Str Common: Float-->Struct tuple: Time.Localtime(Float) Struct time tuple-->Str: Time.Strftime(Format,Struct time

Python Time module and datetime module detailedOriginal: http://www.cnblogs.com/tkqasn/p/6001134.htmlOne, Time moduleThere are three types of time-performance formats in the Times module:A, timestamp timestamp, which represents the offset calculated in seconds from January 1, 1970 00:00:00B, struct_time time tuple, a total of nine element groups.C, format time formatting times, formatted structure makes tim

The datetime module in python is a module dedicated to time-related content. It has powerful functions, but rather complex functions.Click Code Is used to compare the timestamp obtained from MySQL with the current time and to find the time difference Import datetimeLasttime = A. get_last_timestamp (SID = 40) [-1] ["last_time"] # obtain TimestampDelta = datetime

JDK8 has been published, writing a small example of how a DateTime function is used Copy Code code as follows: Package datetime; Import static java.time.temporal.TemporalAdjusters.lastDayOfMonth;Import static java.time.temporal.TemporalAdjusters.previousOrSame; Import Java.time.DayOfWeek;Import java.time.Duration;Import Java.time.LocalDate;Import

dt2 = Dt-timedelta (days= 1) #昨天dt3 = dt + Timedelta (days=1) #明天delta_obj = Dt3-dtprint type (delta_obj), Delta_obj#5. Tzinfo Time Zone class#! /usr/bin/python# coding=utf-8from datetime import datetime, Tzinfo,timedelta "" "Tzinfo is a class about time zone information Tzinfo is an abstract class, So cannot be instantiated directly "" "Class UTC (Tzinfo):" "" "

, DateTime (year, month, day[, hour[, minute[, second[, Microsecond[,tzinfo]]), and returns date, time, and secondsDatetime.datetime.ctime ()Datetime.datetime.now (). Date (): Returns the day part of the current datetimeDatetime.datetime.now (). Time (): Returns the part of the current date timeDatetime.datetime.fromtimestamp ()Datetime.datetime.now (): Returns the current system timeDatetime.datetime.replace ()Datetime.datetime.strftime (): Converted

formatDatetime.datetime.now (). strftime ('%b-%d-%y%h:%m:%s ')' apr-16-2017 21:01:35 'Datetime.datetime.strptime (): converted from string format to date formatDatetime.datetime.strptime (' apr-16-2017 21:01:35 ', '%b-%d-%y%h:%m:%s ')2017-04-16 21:01:35Iv. Timedelta class for DateTimeThe Datetime.datetime.timedelta is used to calculate the difference between two dates, for Example:>>> A=datetime.datetime.now ()>>> B=datetime.datetime.now ()>>> aDatet

formatDatetime.datetime.now (). Strftime ('%b-%d-%y%h:%m:%s ')' apr-16-2017 21:01:35 'Datetime.datetime.strptime (): converted from string format to date formatDatetime.datetime.strptime (' apr-16-2017 21:01:35 ', '%b-%d-%y%h:%m:%s ')2017-04-16 21:01:35Iv. Timedelta class for DateTimeThe Datetime.datetime.timedelta is used to calculate the difference between two dates, for example:>>> A=datetime.datetime.now ()>>> B=datetime.datetime.now ()>>> aDatet

formatDatetime.datetime.now (). Strftime ('%b-%d-%y%h:%m:%s ')' apr-16-2017 21:01:35 'Datetime.datetime.strptime (): converted from string format to date formatDatetime.datetime.strptime (' apr-16-2017 21:01:35 ', '%b-%d-%y%h:%m:%s ')2017-04-16 21:01:35Iv. Timedelta class for DateTimeThe Datetime.datetime.timedelta is used to calculate the difference between two dates, for example:>>> A=datetime.datetime.now ()>>> B=datetime.datetime.now ()>>> aDatet

; from time import *>>> strftime ("%y-%m-%d%h:%m:%s", LocalTime ())' 2011-10-12 03:00:58 '#12, converting a format string to a timestamp>>> a = "Sat Mar 22:24:24">>> B = mktime (Strptime (A, "%a%b%d%h:%m:%s%Y"))>>> Print B1238250264.0>>>#13, datetime example-----------------demo Calculation of two date difference days>>> Import datetime>>> D1 = Datetime.datetime

#! /Usr/bin/Python #-*-coding: UTF-8-*-# countdays. PY # version 0.10 edited by lingyue. wkl 20110819 11:00:00 # version 0.11 modified by lingyue. wkl 20110820 11:37:00 add functions for days list # This script count days, between two date or one date and the days between them # many methods can be abstracted for further optimization, implement functions first # Improve all functions in the next version, optimize them, and abstract import time, getopt

DateTime a = datetime.now;//Gets the time of the computer nowDateTime NZ = convert.todatetime ("2015-4-14 22:44");//define the time of the alarmwhile (true){A = a.addminutes (1); Display time, one minute plus one minute displayConsole.WriteLine (A.toshorttimestring ());//output Display alarm timeif (NZ. Toshorttimestring (). Equals (A.toshorttimestring ()))//If the alarm time is now time,{Console.WriteLine ("To the point ... \a\a\a\a\a\a\a\a\a\a\a\a "

Convert a python datetime string to a Unix Timestamp Today, I encountered a problem when I used python to write a small program for capturing web pages. The time string on the page, for example, '(17:38:49)', needs to be converted UNIX timestamp. The strtotime function was previously written in PHP and was not found i

',' Tuesday ',' Wednesday ', ' Thursday ' ,' Friday ',' Saturday ',' Sunday ']Start_date=datetime.today ()#weekday的作用是得出当日在这周中的索引. For example, the Monday to Sunday indexes wereDay_num=start_date.weekday ()#得到目标日期的索引Day_num_target=weekdays.index (Dayname)#求得日期的差距, if the gap is 0, then days_ago=7, that's exactly one weeks apart.days_ago= (7+day_num-day_num_target)%70:days_ago=7Target_date=start_date-timedelta (days=days_ago)Target_date__name__==' __m

pass in a struct_time, and the current time is used by default when no parameters are specified. Thattime.localtime() Struct_time conversion to string and string to Struct_time The first parameter of Strptime is a date in the form of a string, and the second parameter is a custom date conversion format. The format of the two parameters must correspond. For example time.strptime('2017/7/6', '%Y-%m-%d') , a use of a slash, one with a short ho

Python Datetime/time conversionsdate:2008-11-12 |Tags:datetime, Python | 3 CommentsFromDatetimeImportDatetimeImportTime#-------------------------------------------------# Conversions to Strings#-------------------------------------------------# DateTime object to StringDt_obj=Datet