Tag: date

Formatting ZonedDateTime for previous years

date date-format datetime java zoneddatetime

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; …

How to retrieve the rows between two dates in PostgreSQL?

date java postgresql postgresql-13 sql

How to retrieve the row between two dates in PostgreSQL? In the above example, end_date column is NULLABLE. I want to retrieve the row using the date which falls in-between START_DATE & END_DATE. Endate NULL is considered it as infinite. I am clueless on how to pass single date input to two columns and ha…

Converting Date and Gender to String using Apache-poi [closed]

apache-poi database date java numbers

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question How can I set Date and Gender that is in the database? Answer To write Date and Gender in Ce…

Getting the UTC timestamp in Java

date datetime java timezone utc

An old Stack Overflow posting suggests that the way to get the UTC timestamp in Java is the following: Unfortunately this does not work for me. I have a very simple program (reproduced below) which demonstrates different behavior. On Windows: the time is the local time and it is labeled with the offset with G…

How to Validate Ordinal Dates?

date java spring

My julian date is in 7 digit format YYYYDDD. I want to make sure all the scenarios of leap years should be covered. Currently I have put a check on days. Is there any utility validating it ? Answer I want to make sure all the scenarios of leap years should be covered. Currently I have put a check on

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

date java json parsing

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: date is a field of type java.util.Date As you can see, the input is: 1911-01-01T00:00:00+00:00 And the ou…

How to calculate time difference using h format Java Netbeans

date datetime 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, by checking if the hour value is less than or equal to 23 and the minutes value is less than or equal to 59. …

How to get corresponding quarter of previous year in Scala

apache-spark date java localdate 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 Answer An alternative to the other answers is using my lib Time4J and its class CalendarQuarter. Example: Two main…

Algorithm to create X number of dates

algorithm calendar date java yearmonth

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 …