2023-24 Session NCERT Solutions for Class 12 are solved by experts of LearnCBSE.in in order to help students to obtain excellent marks in their board examination. Convert 12 hour time format to 24 hour clock time format, how to calculate 12h AM and PM clock time to 24h time including time conversion table. Apple iPhone 12 smartphone. Announced Oct 2020. Features 6.1″ display, Apple A14 Bionic chipset, 2815 mAh battery, 256 GB storage, 4 GB RAM, Ceramic Shield glass. The number 12 is strongly associated with the heavens—the 12 months, the 12 signs of the zodiac, and the 12 stations of the Moon and of the Sun. The ancients recognized 12 main northern stars and 12 main southern stars.