Uranus can best be seen in the hours just after sunset. What we suggest is selected independently by the Kidadl team. Section 2: Select the sky events to include in the calendar (moon phases, eclipses, planet positions, meteor showers, etc). The alignment starts to form from around April 17, but will be at its most viewable on the morning of April 20. We will always aim to give you accurate information at the date of publication - however, information does change, so its important you do your own research, double-check and make the decision that is right for your family. Where planets are glowing it shows that they are in retrograde - i.e. The best day to see the alignment varies based on local circumstances. Planetary alignment refers to the planets of our solar system appearing in the same 180-degree wide pane of sky. It is not possible for all the planets to ever be fully aligned. In astrology, the alignments and positions of the planetary bodies have significant value. Wikipedia