Downloading Dual Calendar System 1.21 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
This free PC program was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and is compatible with 32-bit systems. Cal121.exe is the most common filename for this program's installer.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free program is an intellectual property of Amin Al-Juffali. The following version: 1.2 is the most frequently downloaded one by the program users. Dual Calendar System lies within Office Tools, more precisely Mind mapping.
From the developer:
This is an application program that allows you to view, print, and convert between Hijri and Gregorian\Christian calendar systems. Dual Calendar System will show you the Gregorian and Hijri both on the same time. You will be able to easily switch them whenever you wish and also convert dates between the two.
You may want to check out more software, such as GASITALY Dual Fuel CPP, Calendar Creator for Windows or Broadcast Calendar Generator, which might be similar to Dual Calendar System.
Timekeeping
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