Published by Synergie Apps

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About Days Calculator

1. This is very easy and quick with Days Calculator application, which lets you know the days between any dates, calculate a future date or past and also to know what day of the week was the given date.

2. Or, calculate a past or future date, knowing the number of days that pass or have already passed?

3. The days calculated follow the Gregorian Calendar and the minimum date to be chosen is 1500 AD.

4. Would you like to calculate the number of days between two given dates?

5. As this application also includes a perpetual calendar to see if the date chosen was, for example, Monday.

6. NOTE: The initial day between dates is not counted, as it is considered that "from today to today" there are 0 days.

7. Please, if you have any suggestions or comments, don't hesitate to contact us at info@synergieapps.

Days Calculator Customer Insights

1. Great job!Best app , many times I am stuck in maths while counting days for sums and moreover we can calculate our bills also .Unfortunately, It Doesn't work with Android 12.

2. No updates since 2017! Would be much better if it had the option to calculate working days, and also to input the amount of holidays between two dates.Realllllyyyyyy thank u for this apk.

3. Date and Day information after specific days from a reference date.Simple and does exactly as described.

4. 😕In 2020 (29 FABRUARY) is coming but in this app counting 28th Fab only, I'm trust this app and counting many my work today, but it's all failed.Just what I was looking for, what could be so helpful than this.

5. I need a calculator who calculates days in accounting year(i.e. 360) and u make it.

6. Thank you for developing this days calculator.

7. Between being "...written for an older version...", and it opening your browser and highjacking you to some website, this app is not worth downloading.

8. Number of days in between two dates; 2.

9. Tiny ad strip on bottom but does not interfere with appVery useful for me.

10. It is hideously inaccurate when calculating the dates.

11. Wonderful apk with great design😍😍Simple tools everyone like to have.

Steps to Troubleshoot & Fix Days Calculator Issues

1. Fix Days Calculator Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Days Calculator: Restarting the app will resolve most errors.
  2. Update the Days Calculator App. Here is how:
    1. On Android goto PlayStore » Search for "Days Calculator" » Open Days Calculator » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Days Calculator » click "UPDATE".
  3. Clear Days Calculator app cache: Clearing cached data will force your app to retrieve the latest data directly from Days Calculator servers.
    1. On Android, goto Settings » Apps » Select "Days Calculator" » click Storage » click "Clear Cache".
  4. Check Days Calculator app permissions. If any of these permissions required to use your device's features are disenabled, Days Calculator might not work.
  5. Uninstall and reinstall Days Calculator. If nothing else has worked, completely uninstall Days Calculator then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Days Calculator not working


2. Fix Days Calculator Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Days Calculator be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Days Calculator not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Days Calculator may not be able to connect to the Internet when running in the background.

Reported Issues

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