Nocturnal Clock is designed to provide an optimal clock interface for night time use. It offers features that cater to people who frequently check the time during the night or prefer minimal light distractions while sleeping. Here’s a detailed description of the typical features and functionalities:

1. Low Light Display Mode
- The app uses a dimmed, soft color palette such as dark blues, purples, or reds that are easier on the eyes and help reduce blue light exposure, which can disrupt sleep.
- Users can select a color variation to their comfort, helping avoid eye strain in dark environments.

2. Minimalist Design
- The clock display is simple and unobtrusive, often showing just the time in large, clear fonts.
- There are no excessive animations or unnecessary information cluttering the screen, allowing for a quick glance at the time without waking the user fully.

3. Dark Mode Compatibility
- Fully supports dark mode to blend in with the phone's overall theme, making it consistent with other apps that utilize night mode.

4. Screen Awake
- The app can be configure to keep the screen awake, making the smartphone to act as a Big Digital Clock.

5. Customizable Interface
- Users can often personalize the display, choosing between 24/12 hour time formats, showing/hiding Seconds, and selecting fancy clock themes and colors.

6. Battery Saving Features
- The app is designed to minimize battery usage, especially when running overnight, with guaranteed extremely longer durations.

Nocturnal Clock App offers convenience, comfort, and usability in low-light conditions, enhancing nighttime phone use without disturbing sleep patterns.