According to an English subtitled promo for the Cardcaptor Sakura: Clear Card anime that is streaming on Crunchyroll, the anime will begin streaming on the service in January 2018. FUNimation Entertainment is also streaming an English subtitled version of the promo; in their subtitles, it’s revealed that FunimationNow will stream an English simuldub of the series.
Cardcaptor Sakura: Clear Card is scheduled to premiere on Japanese television on January 7, 2018.
Source: ANN