Notes:

• Monday -> 1
• Tuesday -> 2
• Wednesday -> 3
• Thursday -> 4
• Friday -> 5
• Saturday -> 6
• Sunday -> 0

test0

https://crashlaker.github.io/d3js-static/tt/calendar-view/index0.html

Calendar view

Calendar 2020 echarts

https://observablehq.com/@kyeongan/calendar-example

Simple calendar heatmap testing

https://observablehq.com/@erincaughey/simple-calendar-heatmap-testing

Calendar breakdown

https://observablehq.com/@stroked/calendar-breakdown

Calendar Heatmap

https://observablehq.com/@two-n/calendar-heatmap

Data Quality Calendar

https://observablehq.com/@shaunlebron/data-quality-calendar

D3 Calendar

https://observablehq.com/@jorge-longoria/d3-calendar