As the storm clouds gathered, it became pitch dark outside, signaling an impending downpour.
Usage Example in Conversation
A: Good evening, Sarah. I hope you had a productive day.B: Good evening, John. Yes, it was quite busy. I just stepped out of the office, and it's pitch dark outside already.A: Really? It's only 6 PM. Daylight saving time ending always makes the evenings feel shorter.B: Exactly. It's disorienting to leave work and find it so dark. I'm glad it'll be brighter in the mornings now.