According to research done by Shift (shiftcomm.com), the best day to release a press release is Tuesday. The best time of day is 9am, followed closely by 8pm. This study was done by analyzing distribution patterns of over 100,000 press releases and determining how many times each release was shared on social media. Nine social media platforms were included, the biggest ones being Facebook, Twitter and Linkedin.
Click here for a more in-depth analysis of press release distribution.