days between months

: This article describes how many years, months, and days are separated by two dates in php. For more information about PHP tutorials, see. The first method is implemented using the PHP class library. /*** Function: calculate the number of years,

1. Get the number of months, weeks, and days between two dates syntax --1. Get the number of months, weeks, and days between two dates --1.1) Declaring parameters Declare @startDate varchar( -) Declare @endDate varchar( -) --1.2) Get

Compare the number of different days between two dates, such as the number of months and the number of days // Compare the selected Start Time and End Time + (BOOL) ComparisonString :( NSString *) str1 andString :( NSString *) str2 { // NSString *

NSString * dateStr = [dic objectForKey: @ "date"]; // 2012-05-17 11:23:23NSCalendar * gregorian = [[NSCalendar alloc] initWithCalendarIdentifier: NSGregorianCalendar];NSUInteger unitFlags = NSMonthCalendarUnit | NSDayCalendarUnit;NSDateFormatter *

PHP calculates the difference between two time periods (in seconds, days, months, and years). example code: The code is as follows: $ Yourdate = "2012-10-20 "; $ Yourdate_unix = strtotime ($ yourdate ); Echo (date ("Y", $ yourdate_unix)-date ("Y"

PHP gets the year, month, day, hour, minute, second of the specified time period, PHP gets Core code: Class Utils {/** * format mysql DateTime (yyyy-mm-dd hh:mm:ss) converts the data format found in MySQL into time seconds * @param string $datetime

The idea of calculating the number of days between two dates:First, determine whether the year entered is a leap years. Is the year the same? Is the month the same? Is the day the same?There are three possible scenarios for the sun and moon year:

// Obtain the last day of a month// Method 1: calculate the number of days of the month, and the number of days plus the year + month. The example shows the last day of the month.Private void getlastdateformonth (datetime dtstart, out datetime dtend)

The Calendar class is an abstract class that provides methods for converting between calendar fields.One important method, Getactualmaximum, is to return the actual maximum value for the specified calendar field.Using this method

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