Tools, Notepad++

Settings → preferences → multi-instance & date. Then insert custom date as:

yyyy-MM-ddTHH:mm:ssZ

Then add keyboard hotkey shortcut from; settings → shortcut mapper → Date Time (customized) → CTRL-SHIFT-\ which gives conflict by default, go to scintilla tab and filter for “word” which shows the red highlighted conflicting shortcut, then just remove those.