The Twenty-eight Perpetual Calendar is an auxiliary tool for the "Twenty-eight Accommodations Day" and provides flexible conditional search. More functions are as follows:

》二十八宿:
● Monthly calendar: You can slide up and down to adjust the month.
● Provide direct input of "Sun, Lunar, Dry Branch" to display content.
● Provide quick adjustment date "add/decrease month, add/subtract day, add/subtract time" function.
● Display content includes:
● The twenty-eight nights of the year, month, day, and time.
● Solar calendar, lunar calendar, solar energy handover time, four columns.

Conditional Search:
● Specify the range from the start date to the end date and select the following search criteria:
●Select the project year, month and day (can be selected)
●Select search for twenty-eight places (can be selected)
●In the list of searched dates, the items that match the date will be prompted.

》Preferences:
● First day of the week: Set the week starting from the week.
● Four-column order: Provide the time, month, month, year, month, and day.
● Night time: Set when the night is provided.
● Moon poultry platoon method: Provides a choice of handouts and a booklet.
●Language area: You can switch interface language at any time, providing traditional Chinese and simplified Chinese.
● Interface font: Provide font size adjustment.
●Screen lock: It can be used for a long time without being locked, and the screen will not be closed.

● Perpetual calendar: 1600 ~ 2200 years.
●Operation interface: Traditional Chinese, Simplified Chinese.
● Supports the display of any large screen on the flat screen at the same time.