HachiCalendar2 Pro

Your faithful friend, making life more organized.

15 years, over 1 million users.

Contact: [email protected]

Scroll endlessly through your past and future.

Turn events into checkable to-dos.

AI helps you create and analyze events naturally.

Floating cards keep countdowns and key dates always in view.

Hachi Calendar combines Calendar + To-Do + AI Assistant + Floating Date Cards into one powerful, seamless interface.

Browse vertically without switching views.

Check off events like tasks.

Let AI create, complete, and analyze your schedule.

Supports Gregorian / Lunar calendars, seasonal terms, and traditional date references to help you plan smarter.

####Key Features

Infinite Vertical Scrolling

Browse past and future smoothly without switching pages.

One-Page Operation Flow

View, add, drag, copy, move, and complete — all on one screen.

Events as To-Dos

Mark events as completed and keep a record of progress.

Integrated AI Assistant

Create events from natural speech or text; AI parses times, reminders, repeats, and provides summaries, analytics, and free-time suggestions.

Floating Countdown Cards

Display countdowns, elapsed days, or key dates.

Auto-highlights when deadlines approach.

Time Insights & Analytics

Discover active hours, time usage trends, and weekday/weekend differences.

Quick Voice Input

Long press to record → real-time transcription → release to create.

Countdown indicator before recording ends.

Smart Gap & Conflict Detection

Detects available slots and prevents overlapping events.

Key Dates Always Visible

Floating cards + countdowns + quick jumps keep important days front and center.

Emojis & Categories

Add emojis and tags for quick visual identification.

Multiple Reminders

Standard alerts, countdown highlights, and completion feedback.

Privacy First

Local analytics only — no data uploaded.

####Typical Use Cases

Say “Review meeting at 3 PM Friday, remind me 10 minutes before” → instantly created.

Check off daily study or workout goals.

Keep countdowns for exams, trips, or milestones visible.

Ask AI for “next week’s free time” to schedule meetings.

Review your time structure with automatic visual insights.

Track lunar birthdays or seasonal events easily.

####Highlights

True one-page vertical scrolling experience

Events double as to-dos

AI-powered creation, analysis, and scheduling suggestions

Floating cards for countdowns & key dates

Long-press voice input with dynamic countdown

Supports Gregorian / Lunar / Solar Terms / Almanac

Time usage insights and rhythm optimization

Lightweight, fast, and information-dense

####Perfect For

Users who want to manage schedules and tasks in one screen

Heavy planners who love AI or quick voice entry

Those who follow both modern and traditional calendars

Anyone who needs countdowns and visual goal tracking

People who want to analyze time usage to optimize their routines