sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Dadonghai, China (Hainan, Sanya Shi). Longest day in 2026: 13 hours, 13 minutes, 29 seconds (2026-06-21). Shortest day in this year: 11 hours, 2 minutes , 17 seconds (2026-12-22).
)Largest solar noon altitude in Dadonghai in 2026 is: 84.8° (2026-06-19, 12:43:17). minimal 48.34° (2026-12-22, 12:40:22)
*All times are shown in Dadonghai local time.