The getMilliseconds() method returns the millisecond component of the current value as an integer.
DayPilot.Date.getMilliseconds()This method has no parameters.
Use this method to read the millisecond component of the current DayPilot.Date value.
const date = new DayPilot.Date("2025-03-15T08:30:00.250");
const milliseconds = date.getMilliseconds();