There are many worlds and many dimensions of time. And so it is said, one human year is one day in Pitraloka. What is one year for us, of that, six months form a day and six months form a night in another dimension.
If you are a student of astronomy, you will be fascinated to know that there are different time dimensions, it is very interesting. You should study more of astronomy – both classical astronomy and modern astronomy. Then you will get a lot of information about time and different dimensions of existence.
See for example, the light of the star you see today is not coming today. It is from four years back. That light has started four years ago and today you see the star. You are seeing the star today but it may not be there today. It is a four years back picture that you are seeing.
Have you heard about this?!