Papua New Guinea is divided into two time zones, namely:Time Zone in Papua New Guinea. TimeAndDate.com. Retrieved 13 October 2021.

Papua New Guinea Standard Time (UTC+10:00), which covers most of Papua New Guinea except the Autonomous Region of Bougainville. Bougainville Standard Time (UTC+11:00), which covers the Autonomous Region of Bougainville.Time Change 2021 in Papua New Guinea. TimeAndDate.com. Retrieved 13 October 2021.

IANA time zone database The IANA time zone database gives Papua New Guinea two time zones, Pacific/Bougainville and Pacific/Port_Moresby.Australasia (2021 edition) at the tz database. Internet Assigned Numbers Authority (IANA). Retrieved 13 October 2021. c.c.* coordinates* TZ* Comments UTC offset DST

References