Calculate last day of month
var month = 0; // January
var d = new Date(2008, month + 1, 0);
console.log(d.toString()); // last day in January
How do I get the last day of a month?
The last day of the month you get like this, which returns 31:
DateTime.DaysInMonth(1980, 08);
How to find the last day of the month from date?
t
returns the number of days in the month of a given date (see the docs for date
):
$a_date = "2009-11-23";
echo date("Y-m-t", strtotime($a_date));
How to get the last day of the month?
calendar.monthrange
provides this information:
calendar.monthrange(year, month)
Returns weekday of first day of the month and number of days in month, for the specified year and month.
>>> import calendar
>>> calendar.monthrange(2002, 1)
(1, 31)
>>> calendar.monthrange(2008, 2) # leap years are handled correctly
(4, 29)
>>> calendar.monthrange(2100, 2) # years divisible by 100 but not 400 aren't leap years
(0, 28)
so:
calendar.monthrange(year, month)[1]
seems like the simplest way to go.
How to get last day of the month
This will give you last day of current month.
var t= new Date();
alert(new Date(t.getFullYear(), t.getMonth() + 1, 0, 23, 59, 59));
Get the first and last day of current month in Go/Golang?
You can use now library, it really simple :
now.BeginningOfMonth() // 2013-11-01 00:00:00 Fri
now.EndOfMonth() // 2013-11-30 23:59:59.999999999 Sat
Please take a look here for detail : https://github.com/jinzhu/now
JavaScript get last day of Month - based on Year, Month and day
Create a Date
instance with the last day of the month then work backwards one day at a time until you match the day of the week you're after
const normaliseDay = day => day.trim().toLowerCase()
const dayIndex = new Map([
["sunday", 0],
["monday", 1],
["tuesday", 2],
["wednesday", 3],
["thursday", 4],
["friday", 5],
["saturday", 6],
])
const getLastDayOfMonth = (year, month, dow) => {
const day = dayIndex.get(normaliseDay(dow))
// init as last day of month
const date = new Date(Date.UTC(parseFloat(year), parseFloat(month), 0))
// work back one-day-at-a-time until we find the day of the week
while (date.getDay() != day) {
date.setDate(date.getDate() - 1)
}
return date
}
console.log(getLastDayOfMonth("2022", "02", "Wednesday"))
Getting last day of the month in a given string date
Java 8 and above.
By using convertedDate.getMonth().length(convertedDate.isLeapYear())
where convertedDate
is an instance of LocalDate
.
String date = "1/13/2012";
LocalDate convertedDate = LocalDate.parse(date, DateTimeFormatter.ofPattern("M/d/yyyy"));
convertedDate = convertedDate.withDayOfMonth(
convertedDate.getMonth().length(convertedDate.isLeapYear()));
Java 7 and below.
By using getActualMaximum
method of java.util.Calendar
:
String date = "1/13/2012";
SimpleDateFormat dateFormat = new SimpleDateFormat("MM/dd/yyyy");
Date convertedDate = dateFormat.parse(date);
Calendar c = Calendar.getInstance();
c.setTime(convertedDate);
c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));
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