The time in ウスチ・カメノゴルスク is normally 9, 10 または 11 時間 ahead of the time in ニューヨーク, but because these time zones don't share the same start and end times for daylight saving time, the time in ウスチ・カメノゴルスク can for a short while be 10 時間 ahead of the time in ニューヨーク.
ウスチ・カメノゴルスク does not change between summer time and winter time.