Firstly, check the custom date table for existing date sets to re-use before creating new.
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2) Create a custom page to contain your date sets. These are found under 836592. Give it a relatively clear name - the DIV's within the page must give the details for each key date set. See 843533 for example
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8) Add new custom dates to the custom date table for future reference.
Caveats
Don't edit existing individual date, date sets or date pages. These are used in multiple areas, so editing it in one area will create erroneous dates in other areas.
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