Date Converter تبدیل تاریخ
- Here, you can convert any dates to each other instantly.
- Just click on your desired date and done! You get converted date in three date types.
- Accurate date conversion for 175 years.
- Go to converted date in Taghvim تقویم easily.
- Convert dates from (Shamsi, Jalali, Iranian, Persian), (Hijri, Arabic) or (Gregorian, Western) to each other.
The Gregorian calendar is the most widely used calendar system in the world, adopted by most countries as the official calendar for administrative, commercial, and social purposes. It is a solar calendar, introduced by Pope Gregory XIII in 1582 to replace the Julian calendar, which had a 11-minute error in the calculation of the length of a year. The Gregorian calendar is based on a cycle of 365 days, with an additional day added in leap years, which occur every four years, except for years that are divisible by 100 but not by 400. This modification ensures that the calendar year is more closely aligned with the solar year, which is approximately 365.24 days long.
However, there are several other calendar systems used in different parts of the world, including the Islamic calendar, the Jewish calendar, and the Shamsi calendar, which is the official calendar in Iran and Afghanistan. The Shamsi calendar, also known as the Persian calendar, is a solar calendar based on the vernal equinox, which marks the beginning of the new year in the Shamsi calendar. The calendar system is named after the Iranian mathematician and astronomer, Omar Khayyam, who played a crucial role in the development of the calendar during the 11th century.
The Shamsi calendar has a unique system for calculating dates, based on a cycle of 12 months, with each month consisting of either 29 or 30 days, depending on the length of the month. A leap year in the Shamsi calendar occurs every four years, except for years that are divisible by 128. The calendar also has a system of intercalation, which allows for the addition of an extra day to the last month of the year to align the calendar with the solar year.
While the Gregorian calendar is the most widely used calendar system in the world, the Shamsi calendar is still used as the official calendar in Iran and Afghanistan, and is an important part of their culture and traditions. Therefore, there may be situations where it is necessary to convert a Gregorian date to a Shamsi date, such as for scheduling events or planning meetings in Iran or Afghanistan. By understanding the Shamsi calendar system and the methods for converting between different calendar systems, individuals and organizations can better communicate and collaborate with people from different cultures and traditions.
There are several ways to convert a Gregorian date to a Shamsi date, including using online converters, software programs, or manually calculating the conversion using formulas. Each method has its pros and cons, which we will discuss below.
Online Converters:
One of the easiest and quickest ways to convert a Gregorian date to a Shamsi date is to use an online converter. There are several websites that provide this service for free, and all you need to do is enter the Gregorian date, and the converter will generate the corresponding Shamsi date. The main advantage of this method is that it's quick, easy, and doesn't require any technical knowledge. However, the accuracy of the conversion may vary depending on the source of the converter, and there may be a risk of errors or inaccuracies.
Software Programs:
Another way to convert a Gregorian date to a Shamsi date is to use a software program that includes this functionality. There are several programs available, including spreadsheet software like Microsoft Excel, which includes built-in functions for converting between different calendar systems. The main advantage of this method is that it's reliable and accurate, and you can use it offline. However, it may require some technical knowledge to use the software, and you may need to purchase the software or have access to it.
Manual Calculation:
The most accurate and reliable way to convert a Gregorian date to a Shamsi date is to manually calculate the conversion using formulas. This method involves performing a series of calculations, which can be done on paper or using a calculator. The main advantage of this method is that it's accurate and reliable, and you have complete control over the calculation process. However, it may be time-consuming, and it requires some technical knowledge and understanding of the Shamsi calendar system.
To manually convert a Gregorian date to a Shamsi date, you can follow the following steps:
Subtract 621 from the Gregorian year to get the Shamsi year.
Determine if the Shamsi year is a leap year or not. A leap year in the Shamsi calendar occurs every four years, except for years that are divisible by 128.
Determine the number of days that have elapsed from the beginning of the Shamsi year to the converted Gregorian date. To do this, you need to calculate the number of days in each month, taking into account the leap year rule.
Add the number of days from step 3 to the number of days in the first day of the Shamsi year to get the total number of days elapsed since the beginning of the Shamsi year.
Use the total number of days calculated in step 4 to determine the Shamsi year, month, and day that correspond to the converted Gregorian date.
In conclusion, converting a Gregorian date to a Shamsi date may be necessary in certain situations, and there are several ways to do it, each with its pros and cons. Online converters are quick and easy but may not be very accurate. Software programs are reliable but require some technical knowledge. Manual calculation is the most accurate but is time-consuming and requires some understanding of the Shamsi calendar system.