Earlier quoted context omitted.
To make things even more confusing, “half two” means 2:30 in the UK and Ireland.
And this is very likely the reason for the mistake. See, Google Translate seems to take a shortcut to translating between language A and B, by translating from A to English and English to B. For instance, for the last five years or so I've been seeing GT translate the Greek word for "swallow", the bird, to the French word for "to swallow", the verb [1]. In Greek and French, the two words have nothing in common (Greek…
Although in this case, if you translate "halb zwei" from German→English it correctly translates it to "half past one".