sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Dumai, Indonesia (Riau). Longest day in 2026: 12 hours, 13 minutes, 10 seconds (2026-06-19). Shortest day in this year: 12 hours, 1 minutes , 40 seconds (2026-12-20).
)Largest solar noon altitude in Dumai in 2026 is: 68.25° (2026-06-19, 12:15:33). minimal 64.89° (2026-12-22, 12:12:39)
*All times are shown in Dumai local time.