What's the difference between a calendar and a yellow calendar?

1. Functional differences: calendars are mainly used for time management and planning in daily life, checking schedules, arranging appointments, etc. Gregorian calendar pays more attention to guiding people's production and life, providing agricultural and meteorological information and helping people make decisions.

2. Differences in use: Calendars are usually presented by modern scientific and technological means, such as applications on electronic devices such as mobile phones and computers. Almanac is more in the form of paper books or e-books, which requires people to actively consult and learn.