Virgin Narrow Body:
DDO definition
Means a designated day off and is a period during which the Pilot will be free of all duty at Home Base (unless otherwise agreed) or base to which temporarily transferred. A DDO shall include two (2) Local Nights and cover at least 36 hours. Consecutive days off shall include a further Local Night for each additional consecutive DDO. A Rest Period may be included as part of a DDO.
Local night definition
Is a period of eight (8) consecutive hours falling between 2100 hours and 0800 hours local time.
Thus further interpretation of the local night means the earliest start after a DDO is 0500 (8 hours since 2100)