Java Convert Date to End of Day Time
In this Java tutorial, we learn how to write Java utility class to convert a Date object to another Date object with the same date but set the time to end of the day.
How to convert Date to end of day time in Java
In this first step, we create a new Java class named DateUtil, and implement a new static method named getEndOfDay(Date date) to convert a Date object to another Date with the same day, month, year but set the hour, minute, second to end of the day.
DateUtil.java
import java.util.Calendar;
import java.util.Date;
public class DateUtil {
/**
* Convert a Date object to a new Date with time at end of the day
* @param date the input Date object
* @return the return Date object with time at end of the day
*/
public static Date getEndOfDay(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.HOUR_OF_DAY, calendar.getActualMaximum(Calendar.HOUR_OF_DAY));
calendar.set(Calendar.MINUTE, calendar.getActualMaximum(Calendar.MINUTE));
calendar.set(Calendar.SECOND, calendar.getActualMaximum(Calendar.SECOND));
calendar.set(Calendar.MILLISECOND, calendar.getActualMaximum(Calendar.MILLISECOND));
return calendar.getTime();
}
}
In the following Java program, we show how to use the DateUtil class above to convert a Date object to another Date object with the time set to end of the day.
ConvertDateToEndOfDayExample.java
import java.util.Date;
public class ConvertDateToEndOfDayExample {
public static void main(String... args) {
Date date = new Date();
// Convert Date to End of Day Time
Date startOfDay = DateUtil.getEndOfDay(date);
System.out.println("Input: " + date);
System.out.println("Output: " + startOfDay);
}
}
Input: Tue Aug 16 17:59:10 ICT 2022
Output: Tue Aug 16 23:59:59 ICT 2022
Happy Coding 😊
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