It is a calendar app designed to be easy and convenient to use, supporting lunar calendar, widget, alarm, schedule input and backup.

- Lunar calendar (1900 ~ 2050), public holidays, 24 solar terms, national anniversaries (optional), lunar calendar (optional), hands-free day (optional) displayed on the calendar
- Anniversary (separate solar and lunar calendar), schedule, save memos and attach photos to schedule
- Display O, X, ♡, ☆, emoticons, handwriting on the calendar → long-click on the date
- Provides two calendar views (large date view, schedule view on calendar)
- Notification function, password lock, magnified view, schedule search, yearly schedule view
- Provide 1x1, 4x4, 5x5, 4x1 widgets, check the schedule right from the widget
- Schedule backup and restoration through mail, SD card and cloud
- Send/receive schedule (Bluetooth, Internet)
- Weather and detailed dust display (optional function)
- Constellation confirmation, date calculation (D-day, etc.)
- 24 solar terms, definition and origin of seasonal customs

How to use
- You can enter, edit, or delete a memo by clicking the corresponding date on the calendar.
- You can change the year and month by moving up, down, left, or right while holding down your finger.
- After clicking the year or month, you can immediately select the value of the year and month to move.
- Click the menu button => Select password lock, alarm, lunar zodiac and hand-free day display, schedule backup and restore, schedule search, view schedule by year, backup and restore, etc.
- Long click on the date => O, X, ♡, ☆, emoticon, handwriting display on the date

Information on optional access rights
-Location: Check my location when receiving weather and fine dust information
- Files and Media: Attach photos and files to the schedule
- Nearby devices: Send/receive schedules
- Contacts: import Google calendar events when logging in from event backup/restore
- Calendar: import Google calendar events
* Even if you do not agree to allow the optional access right, you can use the basic service except for the corresponding function

* The Korea Astronomical Research Institute provides the lunar calendar until 2050 and the 24 solar terms only until 2025, so the lunar calendar and 24 solar terms are entered only up to the corresponding year. After that, data will be gradually upgraded as they come out.