Average hours per day (American Time Use Survey) This term refers to the average number of hours spent in a 24-hour day (between 4 a.m. on the diary day and 4 a.m. on the interview day) doing a specified activity.
Usually a cats first season is somewhere between 4 and 10 months old with average age around six months. Siamese and Burmese cats are quite precocious and will often have their first season at 4 months of age.
Quick Answer. WebMD states that female cats go into heat several times during the year unless they are being bred. The heat cycle is influenced by the seasons, and is activated when there are 12 hours of daylight. Other factors include the temperature of the environment and the presence of other cats.