在R中转换为datetime

Question

我在将日期时间字符串转换为日期时间对象（用于绘图）时遇到问题

#The Date (as date[1]):
"9/1/2015 1:08AM"

#The Command:
as.POSIXlt(date[1], "%m/%d/%y %I:%M%p")

#The Result:
"9-01-20"

#Desired Result:
"9-01-2015 1:20"