bndc-thumb-001

bndc-003

This handy tool will calculate the build date for a given Android build number. Just input the build number and press Date It! The rules, as per Android developer docs are as follows:

Starting with Oreo, individual builds are identified with a new build ID format, in the form of PVBB.YYMMDD.bbb.

The P part represents the first letter of the code name of the platform release, e.g. O is Oreo.

The V part represents a supported vertical. By convention, 'P' represents the primary platform branch.

The BB part represents a alpha numeric code which allows Google to identify the exact code branch that the build was made from.

The YYMMDD part identifies the date when the release is branched from or synced with the development branch. It is not guaranteed to be the exact date at which a build was made, and it is common that minor variations added to an existing build re-use the same date code as that existing build.

The bbb part identifies individual versions related to the same date code, sequentially starting with 001.

Older Android releases from Cupcake to Nougat uses a different build ID scheme. These Android builds are identified with a short build code, e.g. FRF85B.

The first letter is the code name of the release family, e.g. F is Froyo.

The second letter is a branch code that allows Google to identify the exact code branch that the build was made from, and R is by convention the primary release branch.

The next letter and two digits are a date code. The letter counts quarters, with A being Q1 2009. Therefore, F is Q2 2010. The two digits count days within the quarter, so F85 is June 24 2010.

Finally, the last letter identifies individual versions related to the same date code, sequentially starting with A; A is actually implicit and usually omitted for brevity.

The date code is not guaranteed to be the exact date at which a build was made, and it is common that minor variations added to an existing build re-use the same date code as that existing build.

Enter the build number here:

None