Twenty Four Hours

Screenshots

App Information

App Name	Twenty Four Hours
Version	1.0.2
Development	Willee Project
Platforms	Android

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
• In the schedule management screen, past schedules are dimmed, and the ones you completed keep the 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

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

Notifications

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

• 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"

Notification Permission

• Notification permission must be granted on first launch

Cloud Sync

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

Signing In

• Tap Settings → Cloud Sync → "Sign in with Google"
• After choosing your Google account, a Google Drive access permission screen appears (first time only)
• You stay signed in when you reopen the app

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

About Ads

This app is free and supported by a banner ad at the bottom of the screen.

• Users in the EEA, UK, and Switzerland can change their ad personalization consent under "Privacy Options" in Settings
• The "Support App Development" in-app purchase from earlier versions has been discontinued. If you already supported the app, ads stay removed after updating

Privacy Policy

You can view the Twenty Four Hours Privacy Policy.