Twenty Four Hours

Screenshots

App Information

App Name	Twenty Four Hours
Version	1.0.0
Development	Willee Project
Platforms	Android, Windows

An analog clock app that shows 24 hours at a glance with schedule management.

Main Screen

Analog Clock

• A 24-hour analog clock is displayed at the top of the screen
• Schedules are shown as colored arcs on the clock background
• Tap a schedule arc to view its details
• Double-tap the clock to enter full-screen mode

Full-Screen Mode

• Double-tap to enter/exit
• Tap a schedule arc to show details card at bottom-right
• Horizontal swipe: Change clock style (Minimal ↔ Classic)
• Vertical swipe: Change second hand style (Smooth ↔ Tick-Tock)

Digital Clock

• Current time is displayed in HH:MM:SS format in the app bar

Schedule List Panel

• View current and today's schedules at the bottom of the screen
• Current: Schedules in progress right now
• Today: All schedules for today
• Swipe left/right or use the buttons to switch
• Tap ➕ to add a new schedule

Schedule Management

Creating a New Schedule

1. Tap the ➕ button on the main screen or schedule list screen
2. Enter a title (required, leading/trailing spaces are automatically removed)
3. Enter description (optional)
4. Set start/end date and time
5. Set all-day, repeat, priority, and color as needed
6. Tap Save

All-Day Events

• Turn on the all-day toggle to create a schedule without specific times
• Multi-day all-day events are supported

Repeating Schedules

• Repeat type: Daily, Weekly, Monthly, Yearly
• Repeat end: Never, Until date, After count
• Weekly repeat: You can select multiple days of the week (default: start day)
  • All days can be deselected; saving without any day selected will show a warning
• Note: If the schedule duration exceeds the repeat cycle, that repeat type is disabled
  • e.g., 26-hour schedule → Daily repeat unavailable
  • e.g., 8-day schedule → Weekly repeat unavailable
  • A warning message appears if repeat settings are reset due to duration change
  • A confirmation dialog appears when saving with the warning active
• Completion records on edit: Past completion records are preserved, only invalid future records are cleaned up

Priority Levels

Set importance in 3 levels:

• ★ Just be yourself: Being consistent is enough
• ★★ You're doing great: Complete it and your day will shine
• ★★★ You can do it: You'll be so proud when you finish

Completion Tracking

• Tap the checkbox in the schedule list to mark as complete
• Completed schedules are shown with a strikethrough
• Repeating schedules can be checked individually for each occurrence

Completion Records

• Select "Completion Records" from the ⋮ menu
• Manage completion status for past and future dates

Copy Schedule

• Select "Copy Schedule" from the ⋮ menu
• The schedule form opens with all settings copied
• Modify as needed and save to create a new schedule

Statistics

View your schedule completion rates in the Statistics screen.

Period Selection

• Today, This Week, This Month, This Year, Custom Period

Calculation Scope

• Until Today: Calculate only up to today (default)
• Entire Period: Include future schedules

Statistics Info

• Overall progress with feedback message
• Completion rate by priority
• Detailed schedule list (expandable)

Settings

Theme

• System Default, Light Mode, Dark Mode

Clock Style

• Minimal: Show main hours only (0, 6, 12, 18)
• Classic: Show all hours (0-23), with 5-minute dots on the outer edge

Second Hand Style

• Smooth: Smoothly moving second hand
• Tick-Tock: Second hand moves every second

Language

• Auto (System), 한국어, English, 日本語, 中文

Display (Mobile)

• Keep Screen On: Screen won't turn off while the app is running

Windows

• Always on Top: Window stays above other windows

Notifications

• Notification Sound: Plays a sound when a schedule starts/ends (default: on)
• Notification Vibration: Vibrates when a schedule starts/ends (mobile only, default: on)

Schedule Management

• Past Schedule Grouping: None, Monthly, Year + Monthly

Notifications

Receive notifications when your schedules start and end.

Notification Methods

• While using the app (foreground): A snackbar notification appears at the bottom of the screen with a sound
• While not using the app (background): Displayed as a system notification

Notification Sounds

• Different sounds play for schedule start and end
• You can turn off notification sounds in Settings

Vibration (Mobile)

• Schedule start: Short double vibration
• Schedule end: Long single vibration
• You can turn off vibration in Settings

Simultaneous Schedules

• When multiple schedules start or end at the same time, they are grouped into a single notification
• e.g., "Meeting +2 more"

Platform Notes

Platform	System Notifications	Sound	Vibration
Android	✅	✅	✅
Windows	❌ (in-app only)	✅	❌

• Android: Notification permission must be granted on first launch
• Windows: System notifications are not supported; notifications are shown in-app with sound

Cloud Sync

Sign in with Google to backup your data to the cloud.

Basic Features

• Sync data across multiple devices
• Restore data after reinstalling the app

Sync Methods

• Auto Sync: Enable auto sync in settings to automatically sync 10 seconds after data changes
• Manual Sync: Tap "Manual sync" button in settings to sync immediately

Conflict Resolution

• Conflicts may occur when changes are made on multiple devices simultaneously
• When a conflict is detected during manual sync, a selection screen appears:
  • Keep This Device: Overwrite cloud with this device's data
  • Keep Cloud: Overwrite this device with cloud data
  • Merge: Combine both, keeping the newest version of each item (Recommended)
• Auto sync automatically merges when conflicts occur

Reset Cloud Data

• Use "Reset cloud data" if sync issues occur
• Deletes all cloud data and uploads current device data as fresh backup

Restore from Backup File

• Backup files are automatically saved to the TwentyFourHours folder in Google Drive during cloud sync
• To restore, tap "Restore from file" in the Cloud Sync section of the Settings screen
• Select a .gz or .json backup file to restore your data
• Available regardless of Google sign-in status
• Restoring replaces current data with the backup file data
• If signed in, cloud sync is automatically triggered after restoration

Tips

Support Development

Support the app development and ads will be removed. (Android only)

Privacy Policy

You can view the Twenty Four Hours Privacy Policy.