Only the UK uses an odd standard
and Bahrain, Bangladesh, Belize, Bhutan, Channel Islands, China, Cyprus, Dominica, Falkland Islands, Gambia, Ghana, Gibraltar, Grenada, Guatemala, Guyana, Hong Kong, Indonesia, Iraq, Ireland, Isle of Man, Jordan, Kenya, Kuwait, Lebanon, Macau, Malawi, Malaysia, Maldives, Malta, Mauritius, Myanmar, Nigeria, Oman, Qatar, St. Kitts and Nevis, St. Lucia, St. Vincent, Saudi Arabia, Seychelles, Sierra Leone, Singapore, Tanzania, Uganda, United Arab Emirates, Vietnam, Yemen, Zambia, Zimbabwe 🙂