Download Download Date Time Counter v8.0 for Windows®, 659 KB


It is very easy to use, just click the + button (middle-left) to create your important events, Date Time Counter will counts the numbers of their years, months, weeks, days, hours, minutes and seconds according to your settings automatically.

# Algorithm For [Years] And [Months]

  • [Years] = [Seconds] / 3600 / 24 / 365.25
    In above expression, 365.25 = the average days in 4 years (3 non-leap years + a leap year) = (365 * 3 + 366) / 4.
  • [Months] = [Seconds] / 3600 / 24 / 30.4375
    In above expression, 30.4375 = the average days in 48 months (the months of (3 non-leap years + a leap year)) = (365 * 3 + 366) / 48.
System Requirement

Windows XP/2003/Vista/7/8/8.1/10, 32 & 64-bit both.
Note: it contains 32 and 64-bit applications in ONE copy! You can refer to this article of our another product (Auto Mail Sender™ Birthday Edition) to know the details.


If you downloaded a self-extracting setup file (date-time-counter.exe), just run it.
If you downloaded a zip/rar file (, please extract date-time-counter.exe to a temporary directory, and then execute it.


Run 'Uninstall Date Time Counter' on the related Start Menu folder or open 'Add/Remove Programs' in Control Panel and double-click 'Date Time Counter #.#' in the list box.

Register License

If you have paid the license fee, you will get the license key INSTANTLY via email!
Please click Input license key... menu item under <License> button License Button to input or paste the license key EXACTLY as shown in your license email.
Note: if registered successfully, you can find your license information on the "About Date Time Counter" interface.

Retrieve License Key

Lost the license key? Don't worry. It's easy to retrieve your license key of Date Time Counter. Just click Lost license key? menu item under <License> button License Button.

Upgrade Product Version

1. Download the latest version of this product from our official website automatically if the new version is available.
2. Exit program automatically.
3. Install the latest version of this product manually (do NOT need to uninstall first, just reinstall it).
Note: your data of previous version will be preserved.

Download Download Date Time Counter v8.0 for Windows®, 659 KB, Updated at May 22, 2018