What time zone is Buka in?

Buka uses Bougainville Standard Time (BST, UTC+11) all year. Its IANA time zone is Pacific/Bougainville.

Does Buka observe daylight saving time?

No. Buka uses BST (UTC+11) all year.

Current Time in Buka, Bougainville, Papua New Guinea

3:06:00 PM

15:06:00

Friday, October 16, 2026

BST (Bougainville Standard Time) · UTC+11:00

Pacific/Bougainville

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Time zone details

Buka does not observe daylight saving time in 2026

Daylight in Buka

Sunrise6:20 AMSolar noon12:26 PMSunset6:33 PM

Clock change statusNo clock changes are scheduled for Buka in the next 12 monthsView schedule Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: Papua New Guinea
Administrative area: Bougainville
Place type: City or town
Country currency: Papua New Guinean Kina (PGK)

Practical

Country languages: English, Hiri Motu, Tok Pisin
Dialing code: +675
Elevation: Approximately 2 m (DEM estimate)

Geography

Geographic coordinates: 5° 25' S / 154° 40' E

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Clock changes in Buka

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Clock changes worldwide

Sun & Moon details

Sunrise: 6:20 AM
Solar noon: 12:26 PM
Sunset: 6:33 PM
Daylight duration: 12 hr 13 min18 sec longer than the previous day

Civil twilight: 5:59 AM – 6:54 PM
Nautical twilight: 5:34 AM – 7:19 PM
Astronomical twilight: 5:10 AM – 7:43 PM

Waxing CrescentMoon illumination26%

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Friday, October 16, 2026

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Sun

Sunrise: 6:20 AM (east, 98.9°)
Sunset: 6:33 PM (west, 261.0°)
Day length: 12 hr 13 min18 sec longer than the previous day
Solar noon: 12:26 PM (86.6° altitude)

Civil twilight

Dawn to dusk: 5:59 AM – 6:54 PM

Additional twilight

Nautical dawn to dusk: 5:34 AM – 7:19 PM
Astronomical dawn to dusk: 5:10 AM – 7:43 PM

Moon

Phase: Waxing Crescent (26% illuminated)
Moonrise: 10:21 AM (southeast, 118.0°)
Moonset: 11:10 PM (southwest, 242.1°)
Previous principal phase: New Moon — Sunday, October 11, 2026 at 2:50 AM
Next principal phase: First Quarter — Monday, October 19, 2026 at 3:13 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Friday, October 16	6:20 AM	6:33 PM	12 hr 13 min	18 sec longer than the previous day
Saturday, October 17	6:19 AM	6:33 PM	12 hr 14 min	18 sec longer than the previous day
Sunday, October 18	6:19 AM	6:33 PM	12 hr 14 min	17 sec longer than the previous day
Monday, October 19	6:19 AM	6:33 PM	12 hr 14 min	18 sec longer than the previous day
Tuesday, October 20	6:18 AM	6:33 PM	12 hr 15 min	18 sec longer than the previous day
Wednesday, October 21	6:18 AM	6:33 PM	12 hr 15 min	18 sec longer than the previous day
Thursday, October 22	6:18 AM	6:33 PM	12 hr 15 min	17 sec longer than the previous day

Weather forecast for Buka

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Frequently asked questions

What time zone is Buka in?: Buka uses Bougainville Standard Time (BST, UTC+11) all year. Its IANA time zone is Pacific/Bougainville.
When is the next clock change in Buka?: No clock changes are scheduled for Buka in the next 12 months
Does Buka observe daylight saving time?: No. Buka uses BST (UTC+11) all year.
What is the UTC offset of Buka?: Buka is UTC+11 all year