The Islamic calendar, also known as the Hijri calendar, is a lunar-based system of keeping track of time. It began in the year that Muhammad went from Mecca to Medina. Since the lunar year is slightly shorter than a Gregorian solar year, the Muslim year is slowly catching up with the Gregorian year. The Islamic calendar consists of 12 months, making for a total of 354 days.
Find an online converter. It is possible to calculate the date without one, but the math is very complicated. The conversion is very difficult for most people to figure out, especially if you do not know the current Islamic date or are searching for a date far in the past or future. The best way to find a converter is to type "gregorian calender to islamic calendar converter" into a search engine like Google or Bing.
Type in the desired Gregorian date. Different converters have different systems. Some will have drop-down boxes, while others require you to select the date on a pop-up calendar. To get an accurate result, choose day, month and year.
Read and record the result. It is best to write it down on a piece of paper, so that you can easily refer to it when you are away from your computer.
Repeat these steps at least once. Write down the result each time. It is also worth noting where you got each result from, so that you can remember which converter you used each time.
Check your results against one another. The more converters you use to verify your result, the more certain you can be that it is right.
Once you have found a reliable online converter that gives you the same results as others, it is a good idea to bookmark or download it. That way, you will not have to search for it again next time you want to convert a Gregorian date to Hijri.
The spelling of months may differ from site to site. If you are using the information for academic or formal research, you should find out what spelling is standard in the format you are using.
Many converters are downloadable, which means that you can use them offline. If you think you will be converting many dates in the future, it might be worth finding one to download. As always, make sure it is reliable. Read some reviews to determine how valuable and safe a program is.
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