When is the calculation of cell phone data capacity based on?

I know that the cell phone data capacity is calculated every month.

When exactly is it based on?

Is it based on the fare date?

Or is it based on the 1st of every month?

957 2017-05-14 Gentleman

popular How can I connect to watch a video on my phone on TV?

popular What is the nationality of Minnie?

popular What is the deadline for purchasing lotto?

popular Why does it say that your license has expired on your phone?

popular Is hair spray not allowed on the plane at all?

Same Tag Is there a way to recognize the qr code on the phone screen itself without taking it with a camera?

Same Tag What does it mean to turn off the blue light blocking screen filter app when upgrading Samsung Pay?

Same Tag Is it possible to remove scratches with compound for cell phone reinforced glass?

Same Tag What should I do if I want to download the phone number on my phone to my computer?

Same Tag What app should I use to listen to wma on my phone?

Same Time Is it better to install a vaccine program on your phone?

Same Time When is the calculation of cell phone data capacity based on?

Same Time What's the name of the mask that covers your face well?