Now, when you enter 10 or 10-20 for the date type property when specifying a date or time period in a calendar, this is interpreted as meaning the 10th of each month, or the period from the 10th to the 20th of each month.
In the following example, the period of the 1st to the 3rd of each month is a holiday.
This is further explained in a video.
[Click here to download]

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