In less than 45 minutes, Jews around world will simultaneously recite “Shema Yisrael” in hope that Hashem will bring Moshiach and that the Beis Hamikdash will be rebuilt very soon.

Please see links below:

http://lazerbrody.typepad.com/lazer_beams/2015/12/worldwide-shema-yisrael-monday-21-dec-2015-9pm-israel-time.html

Additional Prayer to say with Shema – http://lazerbrody.typepad.com/lazer_beams/2015/12/prayer-for-rebuilding-the-holy-temple.html

Text of Shema –  http://www.jewfaq.org/shemaref.htm