How do I discover the Quarter of a given Date?

Question

Given a java.util.Date object how do I go about finding what Quarter it's in?

Assuming Q1 = Jan Feb Mar, Q2 = Apr, May, Jun, etc.

Answer 1

Since Java 8, the quarter is accessible as a field using classes in the java.time package.

import java.time.LocalDate; import java.time.temporal.IsoFields;  LocalDate myLocal = LocalDate.now(); quarter = myLocal.get(IsoFields.QUARTER_OF_YEAR); 

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In older versions of Java, you could use:

import java.util.Date;  Date myDate = new Date(); int quarter = (myDate.getMonth() / 3) + 1; 

Be warned, though that getMonth was deprecated early on:

As of JDK version 1.1, replaced by Calendar.get(Calendar.MONTH).

Instead you could use a Calendar object like this:

import java.util.Calendar; import java.util.GregorianCalendar;  Calendar myCal = new GregorianCalendar(); int quarter = (myCal.get(Calendar.MONTH) / 3) + 1;