According to wiselore, fairies certainly exist as dwellers in an etheral dimension.Fairies are very wary ans suspicious of humans, they believe them to be responsible for the pillage and destruction of the kingdom of nature(their home) Fairies, however embraces cats into their world, it is said that if a brownie or other household spirit were present in a house, the cat would know and would communicate the intelligence to its owner.
Communion with the spirit of a cat(as in, for example, the close companionship enjoyed between a human and a favourite cat) is said to facilitate human contact with the fairies and their etheral world.
One method of achieving this was to call the cat into your dreams and allow its spirit to guide you to the fairy. Cats possess the qualities of stillness, silence and patience, all three which are vital in the pursuit of fairies.
The most favourable times to see fairies are the early hours of the morning, the noon hour, and midnight. The best conditions are sunshine or the brightness of the full moon.(although any moonlit night is believed to vouchsafe visions of the fairy host)
The fairy days are traditionally Halloween (Oct 31)Walpurgis night (May eve, 30 April) May day, Midsummers day (24 June) and its eve. Lady day (25 March) and Christmas day (Dec 25)