Sunrise and sunset in Ko Samui

Ko Samui Sunrise, Sunset and Moon in May 2026

Local time (GMT+7)

Day length goes from 12 h 27 min on May 1 to 12 h 38 min on May 31. Sunrise moves from 6:04 AM to 5:59 AM and sunset from 6:31 PM to 6:37 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 15:42 AM6:04 AM6:31 PM6:53 PM6:03 PM7:44 PM12 h 27 minFull moon, 99%6:13 PM5:25 AM
May 25:41 AM6:03 AM6:31 PM6:53 PM6:03 PM7:45 PM12 h 28 min+1.0 minFull moon 12:24 AM7:03 PM6:07 AM
May 35:41 AM6:03 AM6:32 PM6:53 PM6:03 PM7:45 PM12 h 29 min+1.0 minWaning gibbous, 98%7:54 PM6:51 AM
May 45:41 AM6:03 AM6:32 PM6:54 PM6:03 PM7:45 PM12 h 29 min+0.0 minWaning gibbous, 94%8:45 PM7:38 AM
May 55:40 AM6:02 AM6:32 PM6:54 PM6:03 PM7:45 PM12 h 30 min+1.0 minWaning gibbous, 89%9:37 PM8:28 AM
May 65:40 AM6:02 AM6:32 PM6:54 PM6:03 PM7:46 PM12 h 30 min+0.0 minWaning gibbous, 81%10:28 PM9:19 AM
May 75:40 AM6:02 AM6:32 PM6:54 PM6:03 PM7:46 PM12 h 30 min+0.0 minWaning gibbous, 72%11:16 PM10:11 AM
May 85:39 AM6:01 AM6:32 PM6:54 PM6:03 PM7:46 PM12 h 31 min+1.0 minWaning gibbous, 62%11:03 AM
May 95:39 AM6:01 AM6:32 PM6:54 PM6:03 PM7:46 PM12 h 31 min+0.0 minLast quarter, 51%12:01 AM11:53 AM
May 105:39 AM6:01 AM6:33 PM6:55 PM6:03 PM7:47 PM12 h 32 min+1.0 minLast quarter 4:11 AM12:44 AM12:43 PM
May 115:39 AM6:01 AM6:33 PM6:55 PM6:04 PM7:47 PM12 h 32 min+0.0 minWaning crescent, 31%1:25 AM1:32 PM
May 125:38 AM6:01 AM6:33 PM6:55 PM6:04 PM7:47 PM12 h 32 min+0.0 minWaning crescent, 21%2:05 AM2:21 PM
May 135:38 AM6:00 AM6:33 PM6:55 PM6:04 PM7:48 PM12 h 33 min+1.0 minWaning crescent, 13%2:46 AM3:11 PM
May 145:38 AM6:00 AM6:33 PM6:55 PM6:04 PM7:48 PM12 h 33 min+0.0 minWaning crescent, 7%3:28 AM4:05 PM
May 155:38 AM6:00 AM6:33 PM6:56 PM6:04 PM7:48 PM12 h 33 min+0.0 minWaning crescent, 3%4:14 AM5:03 PM
May 165:37 AM6:00 AM6:34 PM6:56 PM6:04 PM7:49 PM12 h 34 min+1.0 minNew moon, 0%5:05 AM6:05 PM
May 175:37 AM6:00 AM6:34 PM6:56 PM6:04 PM7:49 PM12 h 34 min+0.0 minNew moon 3:02 AM6:02 AM7:12 PM
May 185:37 AM5:59 AM6:34 PM6:56 PM6:05 PM7:49 PM12 h 35 min+1.0 minWaxing crescent, 2%7:05 AM8:20 PM
May 195:37 AM5:59 AM6:34 PM6:57 PM6:05 PM7:50 PM12 h 35 min+0.0 minWaxing crescent, 7%8:12 AM9:26 PM
May 205:37 AM5:59 AM6:34 PM6:57 PM6:05 PM7:50 PM12 h 35 min+0.0 minWaxing crescent, 13%9:19 AM10:27 PM
May 215:37 AM5:59 AM6:35 PM6:57 PM6:05 PM7:50 PM12 h 36 min+1.0 minWaxing crescent, 21%10:22 AM11:21 PM
May 225:37 AM5:59 AM6:35 PM6:57 PM6:05 PM7:51 PM12 h 36 min+0.0 minWaxing crescent, 30%11:21 AM
May 235:36 AM5:59 AM6:35 PM6:58 PM6:06 PM7:51 PM12 h 36 min+0.0 minFirst quarter 6:11 PM12:15 PM12:09 AM
May 245:36 AM5:59 AM6:35 PM6:58 PM6:06 PM7:51 PM12 h 36 min+0.0 minFirst quarter, 51%1:04 PM12:52 AM
May 255:36 AM5:59 AM6:36 PM6:58 PM6:06 PM7:52 PM12 h 37 min+1.0 minWaxing gibbous, 62%1:52 PM1:31 AM
May 265:36 AM5:59 AM6:36 PM6:59 PM6:06 PM7:52 PM12 h 37 min+0.0 minWaxing gibbous, 72%2:38 PM2:09 AM
May 275:36 AM5:59 AM6:36 PM6:59 PM6:06 PM7:52 PM12 h 37 min+0.0 minWaxing gibbous, 81%3:23 PM2:47 AM
May 285:36 AM5:59 AM6:36 PM6:59 PM6:07 PM7:53 PM12 h 37 min+0.0 minWaxing gibbous, 88%4:10 PM3:25 AM
May 295:36 AM5:59 AM6:37 PM6:59 PM6:07 PM7:53 PM12 h 38 min+1.0 minWaxing gibbous, 94%4:59 PM4:06 AM
May 305:36 AM5:59 AM6:37 PM7:00 PM6:07 PM7:53 PM12 h 38 min+0.0 minWaxing gibbous, 98%5:49 PM4:49 AM
May 315:36 AM5:59 AM6:37 PM7:00 PM6:07 PM7:54 PM12 h 38 min+0.0 minFull moon 3:46 PM6:41 PM5:35 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.