A calendar chart is a visualization used to show activity over the course of a long span of time, such as months or years. (see the doc of Google)

Data format

You can display one or more lines on your chart. Each row represents an X position on the chart—that is, a specific time; each line is described by a set of one to three columns.

Column Type Description
0 date, datetime, or timeofday Dates
1 Number Values
N string Optional roles - tooltip

Chart options

Each option is separated by a '|' or '!' (for Mediawiki).

Name Default Description
width 100% Chart width
height Chart height
Others... You can use the configuration options of Google. See the doc