Extract time from datatime in R

Question

I have \"datetimes\" like this:

02FEB2015:00:06:00.000000

and need to extract the time as:

06:00

Tried:

Answer 1

When converting character to POSIXlt class, you need to specify exactly the same format as how the character is formulated. You can use normal strptime and format functions, an example:

As commented by @Zheyuan but slightly different:

format(strptime('02FEB2015:00:06:00.000000', "%d%b%Y:%H:%M:%S"), "%M:%S")
# [1] "06:00"