Sun

Daylight Saving Time (DST) is automatically taken into account in all Sun and Moon Calculators.

Moon

Moon Distance Calculator

Eclipse Calculator

• Aug 7–8, 2017: Partial Lunar Eclipse
• Aug 21, 2017: Total Solar Eclipse in the US

Eclipse streaming

Equinox & Solstice

Spring (vernal) Equinox  Fall (autumnal) Equinox
Summer solstice | Winter solstice

Planet Charts & Services

      Planets Visible Tonight

      Distance, Brightness, and Size

 Planet Sizes and Order

Moon Phase Chart

Moon phases Beta

• In real time
• In the past
• In the future

Meteor Showers

August 12 / 13, 2017: Perseid Meteors

Maps & Apps

• iPhone & iPad
• Android
• Day & Night Map
• Moon Light Map