at twelve thirty
Twelve and thirty-two hundredths.
Twelve thirty in the afternoon would be most correct. You cannot say twelve thirty o'clock. You only say o clock when you don't have any minutes over.
twelve and thirty-six hundredths twelve point three six
Twelve and thirty-nine thousandths.
twelve and thirty-two hundredths
On an invitation, you would write four thirty in the afternoon as "4:30 PM." Alternatively, you can also write it in a more formal style as "four thirty in the afternoon." Both formats are clear and acceptable for indicating the time of the event.
The correct way to write the year on an invitation is "two thousand twelve." This follows the standard format for writing out the year in words.
Thirty-seven and twelve thousandths.
Twelve thousand [and] thirty.
Twelve and thirty-two hundredths.
Twelve thirty in the afternoon would be most correct. You cannot say twelve thirty o'clock. You only say o clock when you don't have any minutes over.
twelve and thirty-four hundredths.
Twelve and thirty-five thousandths.
twelve and thirty-six hundredths twelve point three six
thirty-four and twelve hundredths
Twelve and thirty-nine thousandths.
34.12