| Version | Change log |
| Advanced Date Time Calculator 12.2 May 11, 2021 | Important: fully supports native Czech. Optimized internal efficiency. |
| Advanced Date Time Calculator 12.1 May 9, 2021 | Important (I): fully supports native Swedish. Optimized internal efficiency. I: piracy will be falsely reported on a very small number of computers (bug). |
| Advanced Date Time Calculator 12.0 Apr 26, 2021 | Greatly improved the calculating speed. Greatly improved the UI responsiveness. Fully supports native Dutch. Fully supports native Norwegian. Greatly optimized the UI for Arabic, more beautiful and readable. Greatly optimized the software texts for Turkish. And more. |
| Advanced Date Time Calculator 10.0 May 21, 2020 | "Days of week" module can show the "Calendar" days. Fully supports native French. Fully supports native Polish. Optimized "Request support..." related features. Can display the update history for Traditional and Simplified Chinese. Can display program logo in system "Apps and features" list. |
| Advanced Date Time Calculator 9.1 Nov 15, 2018 | Fully supports native Spanish. Can copy any result directly by click a copy icon. Can display the up/down arrows on the sorted column header (time zones). Added "Update history" function to the "Help" menu. Optimized internal efficiency. |
