sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Thành Phố Hạ Long, Vietnam (Quảng Ninh). Longest day in 2026: 13 hours, 24 minutes, 27 seconds (2026-06-21). Shortest day in this year: 10 hours, 51 minutes , 39 seconds (2026-12-22).
)Largest solar noon altitude in Thành Phố Hạ Long in 2026 is: 87.53° (2026-06-19, 11:53:02). minimal 45.61° (2026-12-22, 11:50:07)
*All times are shown in Thành Phố Hạ Long local time.