The columns.find() method returns the column that matches the specified start date and optional resource id.
DayPilot.Calendar.columns.find(start[, id])start (string) - column start date in ISO format, for example "2025-01-31T00:00:00"
id (string | number) - resource id used in resource calendar mode (optional)
Returns the matching DayPilot.Column object, or null if no column matches the supplied values.
Use the optional id parameter in Resources view when multiple columns can share the same start date.
const column = dp.columns.find("2025-01-31T00:00:00", "R1");Resource-Scheduling Calendar [doc.daypilot.org]
Column Filtering [doc.daypilot.org]