Other mistake: After the initial flashback, the action is set at night - yet Kai's phone indicates 12:52 PM at home and then 1:53 (PM, in Lu's text message) at Uncle Six's. (00:05:20)
Gu Assassins - S1-E6
Other mistake: The clock behind McCullough signals 5:10, and he wishes "Good morning" to Zan. It's way too early for the sun to be up. (00:42:40)
Other mistake: When Tommy gets arrested, the (mirrored) clock in the store does not point anywhere near 9:13, which is the time when he makes the call (s) to Jenny. Instead it points at 8 sharp. (00:04:40)