In our daily lives, we often take for granted the way we measure time. We wake up every morning, check our clocks, and plan our days accordingly. But have you ever stopped to think about the calendar system we use? In many parts of the world, especially in Iran and Afghanistan, there are two widely used calendar systems: Tarikh Shamsi (Persian Solar Calendar) and Miladi (Gregorian Calendar). In this blog post, we'll explore the differences between these two calendars and their significance.