[1] The State Flag consists of a white rectangle with a ratio of four to seven between the width and length; in the center it bears the State Coat of arms with a golden mark, placed in such a way that it occupies three-quarters of the width.

[2] The meaning of the colors of the state flag are as follows: The first flag of the state of Guanajuato was officially adopted in 2023, it is a white banner with the entity's coat of arms with a golden mark.

In modern times, in order to have a flag, a first green banner appeared with a blue stripe at the bottom, the design is attributed to the state government of Vicente Fox, in 1996.

It continued to be evaluated and discussed, but It never had official legislation; at the end of the governor's term, the government flag ceased to be used and valid among the people of Guanajuato state.

On this date, the authorities carry out civic days in commemoration, respect and exaltation of the state flag.