hatul

Redirect user out of your site on Shabbat and Holiday.
Read more on the <a href="https://wpshamor.com/" rel="nofollow ugc">official website</a>.

Shamor

Redirect user out of your site on Shabbat and Holiday.

calj

Use the popular CalJ API to display the begin and end times of Shabbat as well as the name of the week’s Parasha on your blog, 
with the help of a simple shortcode
Project: https://github.com/zzgab/calj-wp

CalJ Shabbat Times

Display the Shabbat times (zmanim) for the city of your choice.

Shamor vs CalJ Shabbat Times