22 December - 20 January
21 January - 18 February
19 February - 20 March
21 March - 20 April
21 April - 20 May
21 May - 21 June
22 June - 22 July
23 July - 22 August
23 August - 22 September
23 September - 23 October
24 October - 22 November
23 November - 21 December
