sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Dien Bien Phu, Vietnam (Tỉnh Ðiện Biên). Longest day in 2026: 13 hours, 26 minutes, 14 seconds (2026-06-20). Shortest day in this year: 10 hours, 49 minutes , 55 seconds (2026-12-21).
)Largest solar noon altitude in Dien Bien Phu in 2026 is: 87.97° (2026-06-19, 12:09:14). minimal 45.17° (2026-12-22, 12:06:19)
*All times are shown in Dien Bien Phu local time.