When will the calendar in Apple's mobile phone be counted?

The age of Apple's mobile phone calendar is calculated electronically, and there is no age.

Mobile calendar is a powerful mobile calendar software.

Mobile phone calendar [application function]:

1. The mobile calendar provides the query of Gregorian calendar and Gregorian holidays.

2. Provide the lunar calendar and lunar holidays and 24 solar terms query.

3. Provide folk information about Huang Daoji.