Showing your pride of the stars and stripes is an ideal way to ensure your patriotism shines bright at work or home. However, no matter how visible your US flag may be in the daylight hours, it can be trying to keep your flag visible once the sun goes down. It is a matter of etiquette to either take your flag down at night or keep it illuminated. There are a few helpful tips to keep in mind when you display a US Flag at night.