Unable to answer "Are these opening hours still correct?" – គ្រឹះស្ថានមីក្រូហិរញ្ញវត្ថុ ព្រីនស៍ ហ្វាយនែន ភីអិលសីុ (Bank) – https://osm.org/node/5135523824 via StreetComplete 62.2:

The owner was just extradited to China, the Cambodian government said they would liquidate the bank. Not currently open