An app to help you learn how to calculate day of the week from any date.
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OhThatsA Build Status

An app to help you learn how to calculate day of the week from any date.

App

main year_instruction month_practice

Mostly made to try out Dart/Flutter.

Method

The day of the week can be calculated by:
(day value + month value + year value + century value + leap year value) % 7

Every one of these value comes from a set of constants or is calculable from the date.
This app helps you practice memorizing and calculating these values.