how to find day of week

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Calculate the day of the week

How to calculate the day of the week?Slowtiger published on 2009-11-19 08:42:00How to calculate the day of the week?--Caille (Zeller) formulaWhat is the day of the week in history? What day of the future is the week? With regard to this problem,

MySQL is counted by date time period (the previous day, this week, a certain period of time)

In MySQL database, you often encounter the content of the day of statistics.For example, in the user table, the Date field is: Log_timeStatistics DayThe SQL statement is:Select * from User where = curdate (); Curdate () indicates the date of the

Determine the day of the week by date (using Kimlarsson to calculate the formula)

Kimlarsson calculation formula determines the day of the week by the date calculateweekday (int y, int m,int d) { if (m==1| | m==2) m+=12,y--; int iweek = (d+2*m+3* (m+1)/5+y+y/4-y/100+y/400)%7; Switch (iweek) {case 0:printf ("Monday \ n");

PHP Specifies the day of the week to find out

Like 20151225 in this format. What method to find out is the day of the week ... The new person asks for advice. Reply to discussion (solution) $time = time ();echo Date (' D ', $time); Day of the week, the text indicates that 3

SQL Query Day, this month, this week's record

SELECT * FROM table WHERE convert (Nvarchar, DateAndTime, 111) = CONVERT (Nvarchar, GETDATE (), 111) ORDER by DateAndTime DESCRecord of the Month SELECT * FROM table WHERE DateDiff (Month,[dateadd],getdate ()) =0 Week

Detailed explanation of "Oracle" database "Week Count"

================================================The--WW algorithm starts every January 1 for the first week, date+6 the end of each week.-for example, 20050101 is the first day of the first week, and the last day of the first week is 20050101+6=20050

Java given a date, to find the corresponding week, day of the week, etc.

public static void Main (string[] args) throws ClassNotFoundException,IOException, ParseException {SimpleDateFormat dateformatter = new SimpleDateFormat ("Yyyy-mm-dd");String str = "2015-2-8";System.out.println ("str=" +str);Date date =

Calendar query algorithm How to calculate how many days a day is the basis of knowledge

How do I calculate the day of the week? --Caille (Zeller) formulaWhat is the day of the week in history? What day of the week is the future? There are a number of computational formulae (two general calculation formulae and some piecewise

PHP Gets the first day of the week and the last day sample code _php tutorial

The first and last day of the week Copy CodeThe code is as follows: $date =new DateTime (); $date->modify (' this week '); $first _day_of_week= $date->format (' y-m-d '); $date->modify (' This week +6 days '); $end _day_of_week= $date->format ('

PHP Take this week, the first day of the month and the last day

Echo ' The first day of the week (Sunday is the beginning of the week): '. Date (' y-m-d ', Time () -86400*date (' W ')). ''; Echo ' The first day of the week (Monday is the beginning of the week): '. Date (' y-m-d ', Time () -86400*date (' W

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