find day of week from date

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,

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

Local Test Cases: # there can be no spaces on either side of the equal sign, before the error has been out here yesterday= ' date-d last-day +%y-%m-%d ' echo $yesterday curday= ' Date +%y-%m-%d ' echo $curday echo "Now time: ' Date ' +%y%m%d%T '"

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");

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

From: Java translation station Links: http://it.deepinmind.com/java/2015/03/17/20-examples-of-date-and-time-api-from-Java8.html In addition to lambda expressions, stream, and a few minor improvements, Java 8 introduces a new set of

First, Date, SimpleDateFormat, calendar difference and useIi.Overview of dates in Java Date in Java is a very complex piece of content, for a date in a different language country environment, date internationalization, conversion between date and

This is the SQL script that calculates the first day of the one month:SELECT DATEADD (mm, DATEDIFF (Mm,0,getdate ()), 0)--the first day of the monthSELECT DATEADD (mm, DATEDIFF (Mm,0,getdate ())-1, 0)-the first day of the monthSELECT DATEADD

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 date (log_time) = Curdate ();Curdate () indicates the

Use the function date () to implement the displayed in the format: year-month-day hours: minutes: secRelated Time parameters:A-"AM" or "PM"A-"AM" or "PM"D-A few days, two digits, if less than two digits before the 0; such as: "01" to "31"D-Days of