Most of the temples at Angkor Wat are open from 7:30 am to 5:30 pm. Because they are lovely at sunrise, Angkor Wat, Srah Srang, Pre Rup & Phnom Bakheng open earlier at 5 am. Additionally, Pre Rup & Phnom Bakheng also stay open later, until 7 pm, because they are nice for sunset.