Formatting ZonedDateTime for previous years

I am trying to format MM/dd/YY into uuuu-MM-dd’T00:00:00Z. I have the following code. String dateTime = “12/10/20”; DateFormat df = new SimpleDateFormat(“MM/dd/yy”); Date date; …

java.util.Date is parsing wrong dates with dates before 1912

I don’t understand the reason why Jackson library is parsing wrong dates before 1912. I suppose the problem is the java.util.Date conversion, because the problem persists with Gson. This is my code: …

How to calculate time difference using h format Java Netbeans

I am currently experimenting with a Self-Check in Airport Project. What I would like to do is enter the Time of Departure using the format (hour)h(minute) Example(14h40) I would have to validate this, …

How to get corresponding quarter of previous year in Scala

I have a date string with me in the format – “20202” [“yyyyQ”]. Is there a way to get the corresponding quarter of previous year ? ex- for 20202 , it should be 20192

Algorithm to create X number of dates

Currently I have a list of Strings that represent a date in a yyyyMM format, something like this: 202008 202009 202010 I need to create x number of entries in this list with each entry increasing …

How to get list of months between two dates in Java

I am trying to get a list of months (actually the first days of those months) between two dates in Java but I am not getting the expected results. The start date is “3/17/2020”, the end date …

Date parsing in Java using SimpleDateFormat

I want to parse a date in this format: “Wed Aug 26 2020 11:26:46 GMT+0200” into a date. But I don’t know how to do it. I tried this: SimpleDateFormat parser = new SimpleDateFormat(“EEE …

a method that converts a daynumber into a date

A number between 1 and 365 is requested from the user. The number represents the day number of the year. The corresponding date is displayed. I get stuck on the method calculationDateWithDayNumber An …

What is the algorithm represented in Java to convert an 12 hour am/pm meridiem format hour to 24 hour format?

I needed to convert only the hour part of 12 hour time string to 24 hour format. I’m not interested in other than hour parts of a date string. SimpleDateFormatter is notoriously buggy and I in fact I’…

Error: Text ‘1/31/2020’ could not be parsed at index 0 while trying to parse string date

I have a date as string as below String test Date = “1/31/2020”; I am using the below code public static String getPeriodMonth(String periodEndDate) { LocalDate localDate; …