Astronomical Events

Mercury will reach half phase in its Jan–Mar 2023 morning apparition. It will be shining brightly at mag -0.1. 

 Mercury will reach its highest point in the sky in its Jan–Mar 2023 morning apparition. It will be shining brightly at mag -0.2. 

The March equinox marks the first day of spring for anybody living in the northern hemisphere. On the day of the equinox, everywhere on Earth has almost exactly 12 hours of day and night. 

The Moon will pass in front of Venus, creating a lunar occultation visible from Asia and Africa. It will begin with the disappearance of Venus behind the Moon at 16:22 IST. Its reappearance will be visible at 17:55 IST.

Mercury will reach half phase in its Mar–Apr 2023 evening apparition. It will be shining brightly at mag -0.4.

Mercury will reach half phase in its May–Jun 2023 morning apparition. It will be shining brightly at mag 0.0. 

Venus will reach half phase in its 2023 evening apparition. It will be shining brightly at mag -4.3. 

On this day, the sun reaches its highest point in the sky, casting its rays over the Earth for an extended duration. It's the longest day in the Northern Hemisphere, while observers from the Southern Hemisphere will experience the shortest day of the year. 

Venus will reach its greatest brightness in its 2023 evening apparition. It will be shining brightly at mag -4.5. 

Mercury will reach half phase in its Jul–Aug 2023 evening apparition. It will be shining brightly at mag 0.2. 

Saturn will reach opposition, when it lies opposite to the Sun in the sky. Lying in the constellation Aquarius, it will be visible for much of the night, reaching its highest point in the sky at 00:25, 54° above your southern horizon. 

Venus will reach its greatest brightness in its 2023–2024 morning apparition. It will be shining brightly at mag -4.5. 

Mercury will reach half phase in its Sep–Oct 2023 morning apparition. It will be shining brightly at mag -0.5. 

The September equinox marks the first day of autumn for anybody living in the northern hemisphere, and the first day of spring for anybody living in the southern hemisphere. 

Venus will reach half phase in its 2023–2024 morning apparition. It will be shining brightly at mag -4.4. 

Jupiter's orbit around the Sun will carry it to its closest point to the Earth – its perigee – passing within 3.98 AU of us. 

Jupiter will reach opposition, when it lies opposite to the Sun in the sky. Lying in the constellation Aries,and will be visible for much of the night. 

Uranus will reach opposition, when it lies opposite to the Sun in the sky. Lying in the constellation Aries, it will be visible for much of the night. 

Mercury will reach half phase in its Nov–Dec 2023 evening apparition. It will be shining brightly at mag -0.3. 

The South Pole of the earth will be tilted toward the Sun, which will have reached its southernmost position in the sky and will be directly over the Tropic of Capricorn.22 December will be the shortest day of 2023 in the northern hemisphere .