MATL, 4 bytes

15XO

Try it online!

###Explanation

Built-in function: date string conversion with automatic detection of input format and with output format 15, which corresponds to 'HH:MM'. This is equivalent to @StewieGriffin's Octave answer.

MATL, 4 bytes

15XO

Try it online!

Explanation

Built-in function: date string conversion with automatic detection of input format and with output format 15, which corresponds to 'HH:MM'. This is equivalent to @StewieGriffin's Octave answer.

MATL, 4 bytes

15XO

Try it online!

###Explanation

Built-in function: date string conversion with automatic detection of input format and with output format 15, which corresponds to 'HH:MM'. This is equivalent to @StewieGriffin's Octave answer.

MATL, 4 bytes

15XO

Try it online!

###Explanation

Built-in function: date string conversion with automatic detection of input format and with output format 15, which corresponds to 'HH:MM'. This is equivalent to @StewieGriffin's Octave answer.

MATL, 4 bytes

15XO

Try it online!

###Explanation

Builtin function: date string conversion with automatic detection of input format, and with output format 15, which corresponds to 'HH:MM'. This is equivalent to @StewieGriffin's Octave answer.

MATL, 4 bytes

15XO

Try it online!

###Explanation

Built-in function: date string conversion with automatic detection of input format and with output format 15, which corresponds to 'HH:MM'. This is equivalent to @StewieGriffin's Octave answer.