OrbitNight
← Night sky over San Mateo, CA tonight

San Mateo, CA sky calendar · May 2027

Full moon: Thu, May 20. New moon: Thu, May 6. Sunrise moves from 6:13 AM to 5:50 AM, sunset from 7:59 PM to 8:24 PM. 3 sky events this month (below). Times are local (PDT).

DateSunriseSunsetMoonriseMoonsetMoon
Sat, May 16:13 AM7:59 PM3:33 AM3:22 PMWaning crescent · 23%
Sun, May 26:12 AM8:00 PM3:57 AM4:24 PMWaning crescent · 15%
Mon, May 36:11 AM8:01 PM4:21 AM5:27 PMWaning crescent · 9%
Tue, May 46:10 AM8:01 PM4:47 AM6:34 PMWaning crescent · 4%
Wed, May 56:09 AM8:02 PM5:17 AM7:45 PMWaning crescent · 1%
Thu, May 66:08 AM8:03 PM5:53 AM8:57 PMNew moon · 0%
Fri, May 76:07 AM8:04 PM6:37 AM10:09 PMWaxing crescent · 3%
Sat, May 86:06 AM8:05 PM7:32 AM11:15 PMWaxing crescent · 7%
Sun, May 96:05 AM8:06 PM8:36 AM—Waxing crescent · 15%
Mon, May 106:04 AM8:07 PM9:47 AM12:13 AMWaxing crescent · 24%
Tue, May 116:03 AM8:08 PM11:01 AM1:00 AMWaxing crescent · 34%
Wed, May 126:02 AM8:09 PM12:15 PM1:38 AMFirst quarter · 45%
Thu, May 136:01 AM8:10 PM1:25 PM2:11 AMWaxing gibbous · 57%
Fri, May 146:00 AM8:10 PM2:34 PM2:39 AMWaxing gibbous · 68%
Sat, May 155:59 AM8:11 PM3:40 PM3:06 AMWaxing gibbous · 77%
Sun, May 165:59 AM8:12 PM4:47 PM3:31 AMWaxing gibbous · 86%
Mon, May 175:58 AM8:13 PM5:53 PM3:58 AMWaxing gibbous · 92%
Tue, May 185:57 AM8:14 PM6:59 PM4:28 AMWaxing gibbous · 97%
Wed, May 195:56 AM8:15 PM8:04 PM5:01 AMWaxing gibbous · 99%
Thu, May 205:56 AM8:15 PM9:06 PM5:40 AMFull moon · 100%
Fri, May 215:55 AM8:16 PM10:04 PM6:25 AMWaning gibbous · 98%
Sat, May 225:54 AM8:17 PM10:54 PM7:16 AMWaning gibbous · 95%
Sun, May 235:54 AM8:18 PM11:37 PM8:12 AMWaning gibbous · 90%
Mon, May 245:53 AM8:19 PM—9:12 AMWaning gibbous · 83%
Tue, May 255:52 AM8:19 PM12:13 AM10:12 AMWaning gibbous · 75%
Wed, May 265:52 AM8:20 PM12:43 AM11:11 AMWaning gibbous · 67%
Thu, May 275:51 AM8:21 PM1:10 AM12:11 PMWaning gibbous · 58%
Fri, May 285:51 AM8:22 PM1:34 AM1:09 PMLast quarter · 48%
Sat, May 295:50 AM8:22 PM1:58 AM2:09 PMWaning crescent · 38%
Sun, May 305:50 AM8:23 PM2:21 AM3:10 PMWaning crescent · 29%
Mon, May 315:50 AM8:24 PM2:46 AM4:15 PMWaning crescent · 20%

Sky events this month

  • Wed, May 5Eta Aquariids meteor shower peakUp to about 50 meteors an hour under a perfectly dark sky · the Moon stays out of the way
  • Thu, May 20 3:59 AMFull moon
  • Fri, May 28 3:01 AMMercury farthest from the Sun in the evening sky23° from the Sun: the best time to see it, low in the west after sunset

Month by month

Calculated with Astronomy Engine (MIT license).