Links to the official websites of Waves Ducks: wavesducks.com Official website and registration https://wavesducks.cc/3jTvNCH Waves Ducks rounds https://t.me/wavesducksrounds_ru Twitter https://twitter.com/wavesducks ------------------------------------------------------------------- Leap seconds are irregularly spaced because the Earth's rotation speed changes irregularly. Indeed, the Earth's rotation is quite unpredictable in the long term, which explains why leap seconds are announced only six months in advance ---------------------------------------------------------------------- 2nd Channel Tech Icon- https://www.youtube.com/channel/UClGZjdigXwMyWLyIl-Up0gg --------------------------------------------------------------------- Instagram- https://www.instagram.com/amritpal_singh_bwt/?hl=en Facebook- https://www.facebook.com/Bakchodiwalatech/ Blog- http://bakchodiwalatech.blogspot.in/ Twitter- https://twitter.com/BCwalaTech Email- ammymalhi63@gmail.com ------------------------------------------------------------------------- Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.786