How long were Cleopatra and Marc Antony married?

The so-called marriage between Antony and Cleopatra was from 37 to 30 BC. about six years as it was late in 37 or even, as some writers claim, in 36 BC.
The so-called marriage between Antony and Cleopatra was from 37 to 30 BC. about six years as it was late in 37 or even, as some writers claim, in 36 BC.