Yes! - you will be able to use it. You can also buy the plan anytime, however, the usage timing is fixed between 11pm - 6am.
To find out more, please chat with us by clicking here or send us an email CustomerCarePNG@digicelgroup.com or go to our Digicel PNG official Facebook page by clicking here: DigicelPNG facebook. Our operating hours are from 6am to 11pm every day.