To determine when it gets dark tonight, the key time is the sunset and the period after it called twilight until darkness falls. For today, August 27, 2025:
- The sunset time is approximately 8:00 PM local time (in London, UK as an example location).
- After sunset, there are three phases of twilight: civil, nautical, and astronomical twilight.
- It usually gets fully dark (end of astronomical twilight) about 1 to 1.5 hours after sunset.
- Specifically, night (full darkness) starts around 10:09 PM, which is roughly 2 hours after sunset.
So, it will start getting dark right after 8:00 PM, and it will be fully dark around 10:09 PM tonight.
