Book budget airline famous for delays. Departure flight is delayed by 1 day. Arrive at destination country at 11pm. Stay in hotel 1 night. (considered 2 day 1 night) Next day want to fly back. Return flight delayed by 1 day. Squat at airport, no hotel provided by budget airline. Arrive back in Singapore at 11pm on 4th day, at the end of "4 day solo holiday".