When it comes to selecting your wedding date, avoiding the animal that clashes with your year of birth is crucial. The six pairings that clash are the rat and the horse, ox/sheep, tiger/monkey, rabbit/rooster, dragon/dog and snake/pig. Therefore, a couple born in the years of the rooster and dog should avoid getting married on either a rabbit or a dragon day.
The animals that characterise each day are stated in the Chinese alman- ac, or Tong Seng, which is available at the start of the year, in Chinese and English.
These types of clashes are also to be avoided when planning certain other activities. For instance, as this is the Year of the Tiger, fung shui masters would advise against opening a business or signing a contract in a monkey month or on a monkey day, as they clash with the year. As each month correlates to an animal, the days that clash with a month's animal should also be avoided. For example, this month, the Month of the Ox, the sheep days (January 14 and 26) are not recommended for important activities. In February, the Month of the Tiger, the monkey days (February 15 and 27) are the ones to avoid.
When there is no alternative but to hold an event during a month that clashes, fung shui masters will choose a day on which other factors combine to alleviate the effects of the clash.