Moon · Rio de Janeiro
Moon in Rio de Janeiro
A bright, fully-lit disc that works well for landscapes and moonrise shots.
Darkest skies, best for the Milky Way and astrophotography.
Moonrise & moonset in Rio de Janeiro - next 14 days
| Date | Phase | Illum. | Moonrise | Moonset | Highest |
|---|---|---|---|---|---|
| Sun, Aug 9Today | Waning Crescent | 13% | 3:31 AM | 2:14 PM | 8:52 AM · 39° |
| Mon, Aug 10 | Waning Crescent | 6% | 4:31 AM | 3:23 PM | 9:56 AM · 41° |
| Tue, Aug 11 | New | 2% | 5:25 AM | 4:32 PM | 10:57 AM · 45° |
| Wed, Aug 12 | New | 0% | 6:12 AM | 5:38 PM | 11:53 AM · 51° |
| Thu, Aug 13 | New | 1% | 6:53 AM | 6:41 PM | 12:44 PM · 57° |
| Fri, Aug 14 | Waxing Crescent | 5% | 7:30 AM | 7:40 PM | 1:32 PM · 64° |
| Sat, Aug 15 | Waxing Crescent | 10% | 8:04 AM | 8:36 PM | 2:17 PM · 70° |
| Sun, Aug 16 | Waxing Crescent | 18% | 8:37 AM | 9:32 PM | 3:02 PM · 77° |
| Mon, Aug 17 | Waxing Crescent | 26% | 9:11 AM | 10:27 PM | 3:47 PM · 82° |
| Tue, Aug 18 | First Quarter | 36% | 9:47 AM | 11:22 PM | 4:32 PM · 87° |
| Wed, Aug 19 | First Quarter | 45% | 10:26 AM | - | 5:20 PM · 89° |
| Thu, Aug 20 | First Quarter | 55% | 11:08 AM | 12:18 AM | 6:09 PM · 86° |
| Fri, Aug 21 | First Quarter | 64% | 11:55 AM | 1:13 AM | 7:00 PM · 85° |
| Sat, Aug 22 | Waxing Gibbous | 73% | 12:45 PM | 2:06 AM | 7:51 PM · 85° |
Times are local to Rio de Janeiro. A dash means the event falls on a neighboring calendar day. “Highest” is the moon’s transit - its best viewing moment - with peak altitude above the horizon.
The moon over Rio de Janeiro on Sun, Aug 9
Tonight the moon over Rio de Janeiro is a Waning Crescent, 13% illuminated. It rises at 3:31 AM, is highest at 8:52 AM, sets at 2:14 PM, all in local time.
A thinning crescent appears in the east before sunrise. Evenings are effectively moonless and dark - prime time for the Milky Way - while dawn offers a delicate crescent for early shoots.
For direction, the moon climbs highest toward the north at 8:52 AM, peaking 39° above the horizon. Like the sun, it rises on the eastern side of the sky and sets on the western side, with the exact bearing drifting through the month - the table above gives each day’s times so you can plan a specific alignment.
Frequently asked
- What time does the moon rise in Rio de Janeiro today?
- In Rio de Janeiro on Sun, Aug 9, moonrise is at 3:31 AM and moonset is at 2:14 PM, local time. Because the moon moves along its orbit each day, both shift roughly 30 to 70 minutes later from one day to the next.
- What phase is the moon tonight in Rio de Janeiro?
- On Sun, Aug 9 the moon is a Waning Crescent, 13% illuminated. The next full moon is Fri, Aug 28 and the next new moon is Wed, Aug 12.
- Is tonight a full moon in Rio de Janeiro?
- No. Tonight the moon is a Waning Crescent at 13% illumination. The next full moon in Rio de Janeiro is Fri, Aug 28.
- When is the best time to see the moon in Rio de Janeiro tonight?
- The moon is highest at 8:52 AM, reaching 39° above the horizon toward the north. Around that time it clears buildings and haze best.
- Why does the moon rise later each night?
- The moon orbits Earth in about 29.5 days, moving roughly 12° eastward against the sky each day. Earth has to rotate that extra bit before the moon clears the horizon again, which delays moonrise by about 50 minutes on average - less near the equator, more at high latitudes. In Rio de Janeiro right now the shift is about 61 minutes: 3:31 AM today versus 4:31 AM tomorrow.
