Solar Year - Lunar Year - Huge Variation of Time - Moon problems in Saudi Arabia and Bangladesh

Moon problems in Saudi Arabia and Bangladesh

Muslims depend on the moon for their various religious events. The main reason is that all Islamic events are based on the Hijri calendar. The Hijri calendar is based on the lunar month. The year is calculated based on this month.

Solar Year - Lunar Year - Huge Variation of Time - Moon problems in Saudi Arabia and Bangladesh


Every year I see a lot of questions about why the time difference between Saudi Arabia and Bangladesh or Indian subcontinent is 2.5-3 hours, why Ramadan or Eid is usually one day later? The day does not change at a little time!

In fact, in order to understand the matter, one must have some idea about the motion of the earth, the moon and the sun. It should also be noted that there is a significant difference in the speed of the moon with the conventional time.

Solar year

First let's talk about the solar year. In A year The earth revolves around the sun . Which we call 1 solar year. It occurs because of the annual motion of the earth. It's a single. This unit can be divided into 365 days. Because the earth can revolve around itself in 1 day and that is about 365 times a year. This motion is called diurnal motion. So, this 1 day has again been divided into 24 hours for the convenience of calculation. Each share is one hour. This clock is again divided into smaller units of minutes, seconds, etc. for the convenience of calculation. Did you find the moon somewhere after reading so far? That is, is the moon somewhere day and night? This means that the moon cannot be used as a clock.

Lunar year

It takes an average of about 29.53 days for the moon to revolve around the earth once. As a result, the lunar month is 29 or 30. Interestingly, the lunar month is not specific. As a result, Muslims have to look at the moon to observe Ramadan and Eid. Due to this indeterminacy, the lunar year is also different. Which year is 354, which year is 355 days. That is, it is completely different and unique from Gregorian or solar year. And here too the sun has no work of its own. Although the new day begins to count after the sun sets in the lunar year. That is, night comes first, then day.

Two things are clear. But now let's discuss the main point.

Huge variation of time

Let's discuss the question that was there in the beginning. According to estimates, Bangladesh is 3 hours ahead of Saudi Arabia. Instead, Bangladesh will see the moon 3 hours ago. But that doesn't happen. On the contrary, in Saudi Arabia, Eid usually starts a day before Ramadan.

I have given a little hint of the answer above. The problem is, we combine solar and lunar calculations. Although our difference with Saudi Arabia as a solar is only 3 hours, our difference between Saudi Arabia as a moon and ours is 21 hours! What, wondering? It should be a surprise. How did it happen, surely you do not understand? Let's find out.

I know the speed of the earth. From west to east The earth revolves around its own axis . Whose diurnal motion. The speed can be easily understood by saying anti-clockwise or anti-clockwise. The moon is rotating slowly. As a result, every day the West sees the unveiling of the moon first. We know, the sunrise is from the east? But in the case of the moon, the opposite. Although the moon rises in the east and sets in the west, the westerners get the moon's light first.

Why the moon can be seen in one country but it may be too late to be seen in another country. Because if you want to see the moon with the naked eye, there must be an angle of 10.5 degrees between the moon and the sun. And the amount of distance that this angle will create, the amount of time it takes for the moon to travel 18 to 24 hours. That is why it is a misconception that if you see the moon in America today, you will see it in Bangladesh. Until that angle i.e. 10.5 degrees is achieved, it cannot be seen. The same is true of Saudi Arabia and Bangladesh. This crisis angle is called elongation. So the age of the moon is not the real thing at all, whether the moon can be seen depending on the angle.

As a result, we are 3 hours ahead of the sun in Saudi Arabia, but 21 hours behind the moon (24-3 = 21). 21 hours about 1 day. We are almost a day behind. That is why I see the moon one day later as a solar year. But when it comes to lunar years, we all do it on the same day. So no one thinks that everyone celebrates Ramadan or Eid on a different day. Everyone celebrates on the same day. But if you check it with the English calendar, it would be very foolish. Lastly, according to the lunar year, everyone in the world celebrates Ramadan and Eid on the same day. Only timezone seems to be different.

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