It means you're really looking forward to something that is happening in November, so you're "counting the days." Like, Only 20 days till November's here! Usually people use the phrase a little more specifically, "I'm counting the days till vacation!" or "I'm counting down the days till the big party."

Yes , I do come from China.Thank you for your help.It is pretty good

HI,can you understand chinese,in chinese it means,“我在倒数天数啊，十一月快来吧”或许十一月有什么特殊的事情”， i checked your files,you come from China,hope this can help you