The best day to release your music is Fridays. The answer comes down to three key reasons: chart calculations, streaming service placements, and tradition. The most compelling reason for a Friday release day is because of the Billboard charts. The magazine tracks song and album activity from Friday through Thursday. Releasing on Friday gives you a full week of chart action. ... Same thing goes for streaming. By releasing music on a Friday, you’re essentially allowing your music’s performance to be calculated as soon as their cycle starts, but if you release on a Tuesday, for example, then your ‘first week’ is technically only considered to be Tuesday, Wednesday, and Thursday—versus a full seven days. Also because the streaming services update the majority of their new music playlists on Fridays, which encourages artists and labels to release that day as well. All that said, Friday can be a very busy and noisy day with so many releases at the same time.