Sunrise and sunset in Vientiane

Vientiane Sunrise, Sunset and Moon in May 2026

Local time (GMT+7)

Day length goes from 12 h 48 min on May 1 to 13 h 08 min on May 31. Sunrise moves from 5:43 AM to 5:33 AM and sunset from 6:31 PM to 6:41 PM.

Every day

Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.

DateDawnSunriseSunsetDuskGolden hourFull darkDay lengthChangeMoonMoonriseMoonset
May 15:20 AM5:43 AM6:31 PM6:53 PM6:01 PM7:47 PM12 h 48 minFull moon, 99%6:15 PM5:04 AM
May 25:20 AM5:43 AM6:31 PM6:54 PM6:01 PM7:48 PM12 h 48 min+0.0 minFull moon 12:24 AM7:07 PM5:42 AM
May 35:19 AM5:42 AM6:31 PM6:54 PM6:01 PM7:48 PM12 h 49 min+1.0 minWaning gibbous, 98%8:00 PM6:23 AM
May 45:19 AM5:42 AM6:31 PM6:54 PM6:02 PM7:49 PM12 h 49 min+0.0 minWaning gibbous, 94%8:54 PM7:08 AM
May 55:18 AM5:41 AM6:32 PM6:55 PM6:02 PM7:49 PM12 h 51 min+2.0 minWaning gibbous, 89%9:46 PM7:57 AM
May 65:18 AM5:41 AM6:32 PM6:55 PM6:02 PM7:50 PM12 h 51 min+0.0 minWaning gibbous, 81%10:36 PM8:48 AM
May 75:17 AM5:40 AM6:32 PM6:55 PM6:02 PM7:50 PM12 h 52 min+1.0 minWaning gibbous, 72%11:22 PM9:42 AM
May 85:17 AM5:40 AM6:33 PM6:56 PM6:03 PM7:51 PM12 h 53 min+1.0 minWaning gibbous, 62%10:36 AM
May 95:16 AM5:39 AM6:33 PM6:56 PM6:03 PM7:51 PM12 h 54 min+1.0 minLast quarter, 51%12:05 AM11:29 AM
May 105:16 AM5:39 AM6:33 PM6:57 PM6:03 PM7:52 PM12 h 54 min+0.0 minLast quarter 4:11 AM12:44 AM12:22 PM
May 115:15 AM5:38 AM6:34 PM6:57 PM6:04 PM7:52 PM12 h 56 min+2.0 minWaning crescent, 31%1:22 AM1:15 PM
May 125:15 AM5:38 AM6:34 PM6:57 PM6:04 PM7:53 PM12 h 56 min+0.0 minWaning crescent, 21%1:58 AM2:08 PM
May 135:14 AM5:38 AM6:35 PM6:58 PM6:04 PM7:53 PM12 h 57 min+1.0 minWaning crescent, 13%2:34 AM3:03 PM
May 145:14 AM5:37 AM6:35 PM6:58 PM6:05 PM7:54 PM12 h 58 min+1.0 minWaning crescent, 7%3:13 AM4:01 PM
May 155:14 AM5:37 AM6:35 PM6:59 PM6:05 PM7:54 PM12 h 58 min+0.0 minWaning crescent, 3%3:54 AM5:03 PM
May 165:13 AM5:37 AM6:36 PM6:59 PM6:05 PM7:55 PM12 h 59 min+1.0 minNew moon, 0%4:41 AM6:10 PM
May 175:13 AM5:36 AM6:36 PM6:59 PM6:05 PM7:55 PM13 h 00 min+1.0 minNew moon 3:02 AM5:34 AM7:19 PM
May 185:13 AM5:36 AM6:36 PM7:00 PM6:06 PM7:56 PM13 h 00 min+0.0 minWaxing crescent, 2%6:35 AM8:29 PM
May 195:12 AM5:36 AM6:37 PM7:00 PM6:06 PM7:56 PM13 h 01 min+1.0 minWaxing crescent, 7%7:41 AM9:35 PM
May 205:12 AM5:35 AM6:37 PM7:01 PM6:06 PM7:57 PM13 h 02 min+1.0 minWaxing crescent, 13%8:49 AM10:33 PM
May 215:12 AM5:35 AM6:37 PM7:01 PM6:07 PM7:57 PM13 h 02 min+0.0 minWaxing crescent, 21%9:55 AM11:24 PM
May 225:11 AM5:35 AM6:38 PM7:01 PM6:07 PM7:58 PM13 h 03 min+1.0 minWaxing crescent, 30%10:58 AM
May 235:11 AM5:35 AM6:38 PM7:02 PM6:07 PM7:58 PM13 h 03 min+0.0 minFirst quarter 6:11 PM11:56 AM12:08 AM
May 245:11 AM5:34 AM6:39 PM7:02 PM6:08 PM7:59 PM13 h 05 min+2.0 minFirst quarter, 51%12:49 PM12:47 AM
May 255:11 AM5:34 AM6:39 PM7:03 PM6:08 PM7:59 PM13 h 05 min+0.0 minWaxing gibbous, 62%1:41 PM1:22 AM
May 265:10 AM5:34 AM6:39 PM7:03 PM6:08 PM8:00 PM13 h 05 min+0.0 minWaxing gibbous, 72%2:31 PM1:56 AM
May 275:10 AM5:34 AM6:40 PM7:03 PM6:09 PM8:00 PM13 h 06 min+1.0 minWaxing gibbous, 81%3:20 PM2:30 AM
May 285:10 AM5:34 AM6:40 PM7:04 PM6:09 PM8:01 PM13 h 06 min+0.0 minWaxing gibbous, 88%4:11 PM3:05 AM
May 295:10 AM5:34 AM6:40 PM7:04 PM6:09 PM8:01 PM13 h 06 min+0.0 minWaxing gibbous, 94%5:02 PM3:42 AM
May 305:10 AM5:34 AM6:41 PM7:05 PM6:10 PM8:02 PM13 h 07 min+1.0 minWaxing gibbous, 98%5:55 PM4:22 AM
May 315:10 AM5:33 AM6:41 PM7:05 PM6:10 PM8:02 PM13 h 08 min+1.0 minFull moon 3:46 PM6:49 PM5:06 AM

Other months

More

Sources

Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.