In several countries the 12hour clock is the dominant written and spoken system of time, predominantly in nations that were part of the former British Empire, for example, the United Kingdom, Republic of Ireland, the United States, Canada (excluding Quebec), Australia, New Zealand, India, Pakistan, Bangladesh, Malaysia, and Malta, and others follow this convention asNine O'Clock was approved as part of Unicode 60 in 10 under the name "Clock Face Nine O'Clock" and added to Emoji 10 in 15CST stands for Central Standard Time PST is known as Pacific Standard Time PST is 2 hours behind CST So, when it is 10 am CST 100 am CST 0 am CST 300 am CST 400 am CST 500 am CST 600 am CST 700 am CST 800 am CST 900 am CST 1000 am CST 1100 am CST 10 pm CST 100 pm CST 0 pm CST 300 pm CST 400 pm CST 500 pm CST 600 This Is The Oldest Astronomical Clock In The World Located In Prague S Old Town Square It 9pm lockdown