Tag: timeofday

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

date datetime-conversion java time-format timeofday

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’m more interested in the conversion algorithm itself. So what I want is to find the algorithm to convert the hour part. This

Time difference in AM/PM in Java

duration java time timeofday

I am trying to calculate the time difference in java by input time format in 12 hours it works well when i input start time 11:58:10 pm and end time 12:02:15 am. But as i enter 12:00:00 am and 12:00:00 pm it give difference 0 minutes. don’t know why. Below is my code please let me know where i am