← MES Science

MES Moon, Sun, Planets & Astronomy 🌕☀️

A live sky dashboard. It opens on Richmond, British Columbia, Canada by default — type another place below, or use your device's location, to switch. Sun & Moon positions, phase, rise/set times and the charts are computed in your browser; conditions and air quality come from Open-Meteo. Your choice of location is remembered on this device.

 

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Sun & Moon Times — Richmond, BC

Rise and set times for the chosen location's local calendar day. Compare with weather.com.

Temperature at 9 AM local
Sunrise
Sunset
Moonrise
Moonset
Moon phase

Temperature: Open-Meteo forecast. Rise / set / phase: computed with Astronomy Engine.

Conditions & Air Quality — Richmond, BC

“9 AM” rows are for 9 AM local; the daily high/low, UV and rain chance cover the whole day. Forecast from Open-Meteo; air quality from the Copernicus (CAMS) model via Open-Meteo.

Now
Today's high / low
Feels like (9 AM)
Humidity (9 AM)
Wind (9 AM)
Cloud cover (now)
Max UV index today
Chance of rain today
Pressure (now)
Air quality — US AQI
European AQI
PM2.5 / PM10
Ozone (O₃)
Nitrogen dioxide (NO₂)

Today's Sky — Sun & Moon Altitude

How high the Sun (solid) and Moon (dashed) climb above the horizon over the local day. The shaded band is below the horizon; the vertical line marks now.

The Sun Right Now

Apparent geocentric coordinates for the moment shown above (the same from anywhere on Earth). Compare with theskylive.com/sun-info.

Constellation
Distance from Earth
Distance from Earth (AU)
Right Ascension
Declination
Magnitude

The Sun's Path This Year

The Sun's apparent declination (orange, left axis) and right ascension (blue, right axis) across the year. Declination swings ±23.4° between the solstices and is 0° at the equinoxes — that tilt is what gives us seasons.

The Moon Right Now

Apparent geocentric coordinates for the moment shown above. Compare with theskylive.com/moon-info.

Constellation
Illumination
Distance from Earth
Distance from Earth (AU)
Right Ascension
Declination
Magnitude

Planets & Live Sky Data

External pages that also update in real time — handy for planning what to observe tonight.


The Sun and Moon figures, the Moon-phase drawing and both charts are computed on your device with Astronomy Engine (an offline astronomy library). Place search and time-zone lookup use Open-Meteo's geocoding API; conditions come from Open-Meteo's forecast and air quality from its Copernicus (CAMS) feed. Choosing “Use my location” shares your coordinates with Open-Meteo for those lookups only — nothing is stored off your device. Values may differ by up to a minute (rise / set) or a degree or two (temperature) from weather.com and TheSkyLive, which use their own models.