Bougainville region, Papua New Guinea
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Monday, 21
September 2026
- Capital: Arawa
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Bougainville Standard Time (BST),
UTC+11
Time difference, hrs.
| Columbus | -15 Monday, 21 |
| London | -10 Monday, 21 |
| New York | -15 Monday, 21 |
| Tokyo | -2 Monday, 21 |