You can specify the amount and time unit that best suits your needs.Should you wish to, you could override the default delay time interval you set in the creation of the delay node.
Scheduled Delay allows delaying up to a future date before continuation of steps execution. All steps after delay node will be triggered only after said date.
Payload path will determine the path in payload for the scheduled date.That path must be included in your payload on trigger execution and must be a date in strict ISO format.For example: