Ruling planet, element, nakshatras and the sidereal dates the Sun is in each sign.
Ruler: Mars · Sun: 14 April – 15 May
Ruler: Venus · Sun: 15 May – 15 June
Ruler: Mercury · Sun: 15 June – 17 July
Ruler: Moon · Sun: 17 July – 17 August
Ruler: Sun · Sun: 17 August – 17 September
Ruler: Mercury · Sun: 17 September – 18 October
Ruler: Venus · Sun: 18 October – 17 November
Ruler: Mars · Sun: 17 November – 16 December
Ruler: Jupiter · Sun: 16 December – 15 January
Ruler: Saturn · Sun: 14 January – 13 February
Ruler: Saturn · Sun: 13 February – 15 March
Ruler: Jupiter · Sun: 15 March – 14 April