i made 2 renders yesterday, 1st time set to 12 the 2nd at 7 AM
the 3rd i tried to change it to 7pm, nothing happened when i clicked the up button, then all went white. Tried again today and got the same, all good until i try to alter the time. [:(]

Using Sweet Home version 6.3,
java 1.8.0_202 - 0.1/4.9 GB,
java 3D 1.6.1