It is a well known fact that a large proportion of auto collisions occur during the morning and afternoon rush hour. (carinsurancequote.net)
«Assuming the attributes of a tornado,» a powerful thunderstorm tears through Saratoga County during the late afternoon rush hour but largely spares Saratoga Springs. (saratogian.com)
The main thing I'd advise is leaving Phnom Penh early, by 7 am, so as to avoid the early afternoon rush at the border when the buses and minibuses all arrive. (iamkohchang.com)