human
converting epoch time with milliseconds to datetime
assistant
Here is some code to parse milliseconds epoch time '1236472051807' to format '%Y-%m-%d %H:%M:%S'

time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(1236472051807 / 1000.0))

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.