This document provides information about numbers and dates in English. It covers cardinal and ordinal numbers from 0 to 1 billion, decimals and fractions, and conventions for writing and saying dates. Cardinal numbers are defined from 0 to 1 million. Ordinal numbers are given from 1st to 1000000th. Fractions include common forms like halves, thirds and quarters, as well as mixed numbers. Guidelines are provided for writing dates in various formats and reading years in different eras. British and American conventions for dates are also compared.