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How to get number of days between today's date and last date of the current month? [closed]
(3 answers)
How to calculate the number of days in a period?
(3 answers)
Closed 2 years ago.
How do I calculate how many days are left in the month we are in, in Java?
For example, today is the 5th of November, the result would be:
25 days left for the end of the month.
How to do this?
In Java there's been for a while Java Time API, which allows to get the number of days in the given month and calculate the difference using java.time.temporal.ChronoUnit.DAYS:
LocalDate today = LocalDate.now();
LocalDate endOfMonth = today.withDayOfMonth(today.lengthOfMonth());
long daysBetween = DAYS.between(today, endOfMonth);
Related
This question already has answers here:
Java, Calculate the number of days between two dates [duplicate]
(10 answers)
Closed 1 year ago.
I am trying to calculate the number of days between two dates.
Even though I found many similar questions, I just cannot come up with a solution.
Date lastpickup = (Date) section_userdata.get("lastpickup");
Date today = new Date();
Instant instant_lastpickup = lastpickup.toInstant().truncatedTo(ChronoUnit.DAYS);
Instant instant_today = today.toInstant().truncatedTo(ChronoUnit.DAYS);
This is my code at the moment.
A date is read from a config and should be compared to the actual date.
With the code I have I am able to determine whether the date is the same or not, but I want to know which amount of days (ideally as an Integer) is between those two.
I want to look at the calendar days, not 24h rhythm.
Well, it was way easier than I thought.
Here's my solution
long daysCount = ChronoUnit.DAYS.between(instant_lastpickup, instant_today);
This question already has answers here:
getting the difference between date in days in java [duplicate]
(3 answers)
Java, Calculate the number of days between two dates [duplicate]
(10 answers)
Java 8 Day Difference without the Time Component
(1 answer)
Remaining days to a date is not showing correctly
(4 answers)
Closed 4 years ago.
For example i have two dates:
2018-11-30 18:00:00
2018-12-01 00:00:00
How you can see, that less then 24 hours difference, but I need to recognize that a one day of differnce, and i can't just subtract, cause of month change.
In output i need to return int count of days.
In c# it will be just:
(EndDate - StartDate).TotalDays
What Java code will be similar?
I searched somewhere before I asked, but that didn’t solve the problem. Here’s my attempt after searching:
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime d1 = LocalDateTime.parse("2018-11-30 18:00:00", dtf);
LocalDateTime d2 = LocalDateTime.parse("2018-12-01 00:00:00", dtf);
long days = ChronoUnit.DAYS.between(d1, d2);
System.out.println("Days: " + days); // Days: 0
I wish to get 1 day of difference.
This question already has answers here:
How to get Java to show the day of month from a date?
(4 answers)
Closed 6 years ago.
I'm trying to print a day of the given date. How can I do that?
String date = "2015.05.12";
SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd");
Date bornDate = format.parse(date);
System.out.println(bornDate.getDay());//this prints "2" instead of "12"
You can use bornDate.getDate() to get day. You shall use calendar class as methods on date are deprecated.
This question already has answers here:
Calculate days between two Dates in Java 8
(14 answers)
Closed 6 years ago.
I've got two LocalDates:
LocalDate date1;
LocalDate date2;
//...
How to find the number of days between those dates?
LocalDate.until is what you're looking for. (LocalDate implements Temporal, which is what Days accepts, and ChronoUnit is a library of TemporalUnit instances.)
long days = date1.until(date2, ChronoUnit.DAYS);
I would do something like
long daysBetween = DAYS.between(date1, date2);
This question already has answers here:
How can I increment a date by one day in Java?
(32 answers)
Closed 6 years ago.
How to add number of days into a given date in the format mm/dd/yyyy .
If my date is 9/12/2007, I want to add 30 days into the date and the result should be 10/12/2007.
I have many frequencies like Weekly, monthly, Every 2 weeks, Twice a month, Every 4 weeks, Once in 2 months, Every 3 months, Every 6 months, Every 3 months,
Annually, etc.
If we select the different frequencies from the list, the result should vary based on the frequency. Can anyone help me on this ?
Convert your date to a LocalDate, add the required values to it and then convert it back to the format you need it.
For example adding 30 days would look like this:
LocalDate d = LocalDate.of(2007,9,12).plus(30, ChronoUnit.DAYS)
And if you look at ChronoUnit you can see there are some units defined like weeks, days, months and so on...
String dt = "9/12/2007"; // Start date
SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
Calendar c = Calendar.getInstance();
c.setTime(sdf.parse(dt));
c.add(Calendar.DATE, 1);