Concat date and time in one cell

[mybadongt]

I am a new to VBA and would like to ask for help to concatenate a date and time to one cell. Both the date and time values come from separate cells in different and/or same columns. It could be written side by side columnwise or both date and time could be one on top of each other in the same column like below.
The combined date and time concatenation can be put in a separate column on a different sheet or the same sheet. Occurred On (NT) Cleared On (NT) 12/31/2016 12/31/2016 22:40:17 22:41:42 12/29/2016 12/29/2016 21:49:29 21:50:09

[Bob Phillips]

It's as simple as something along the lines of

Range("M1").Value = Range("A2").Text & " " & Range("A3").Text

You would need to adjust the cells to your situation.