(all times Irish)
SATURDAY 1st
Six Nations Championship: Wales v Italy, Principality stadium (2.15); Ireland v Scotland, Aviva stadium (4.45)
Pro14: Cheetahs v Kings, Toyota stadium (3.0)
SUNDAY 2nd
Six Nations Championship: France v England, Stade de France (3.0)
Women's Six Nations Championship: Ireland v Scotland, Donnybrook (1.0)
FRIDAY 7th
Under-20 Six Nations Championship: Ireland v Wales, Musgrave Park (7.15)
SATURDAY 8th
Six Nations Championship: Ireland v Wales, Aviva stadium (2.15); Scotland v England, Murrayfield (4.45pm)
SUNDAY 9th
Six Nations Championship: France v Italy, Stade de France (3.0)
Women's Six Nations Championship: Ireland v Wales, Donnybrook (1.0)
FRIDAY 14th
Pro14: Glasgow v Zebre, Scotstoun (7.35); Munster v Kings, Musgrave Park (7.35)
AIL (8.0) – Division 1A: Lansdowne v Clontarf; Division 1B: St Mary's v Naas.
Division 2A: Nenagh Ormond v Cashel.
SATURDAY 15th
Pro14: Leinster v Cheetahs, RDS (2.30); Scarlets v Edinburgh, Parc y Scarlets (3.0); Ospreys v Ulster, Liberty stadium (5.15); Connacht v Cardiff, Sportsground (7.35); Dragons v Benetton, Rodney Parade (7.35)
AIL Division 1A (2.30): Ballynahinch v Cork Con; Dublin University v Young Munster; Garryowen v Terenure; UCD v UCC.
Division 1B (2.30): City of Armagh v Highfield; Navan v Malone; Old Belvedere v Banbridge; Old Wesley v Shannon.
Division 2A (2.30): Ballymena v Old Crescent; Buccaneers v Dolphin; Rainey OB v QUB; UL Bohemian v MU Barnhall.
Division 2B (2.30): Ballina v Belfast Harlequins; Blackrock v Sligo; Galwegians v Dungannon; Greystones v Corinthians; Malahide v Wanderers.
Division 2C (2.30): City of Derry v Bangor; Clonmel v Midleton; Omagh v Skerries; Sunday's Well v Bruff; Tullamore v Enniscorthy.
FRIDAY 21st
Under-20 Six Nations Championship: England v Ireland, Franklin's Gardens (7.45)
Pro14: Ospreys v Leinster, The Gnoll (7.35); Edinburgh v Connacht, Murrayfield (7.35); Zebre v Munster, Stadio Giovanni Mari, Legnano (7.35)
AIL Division 1A: Cork Con v UCC; Terenure v UCD (8.0).
SATURDAY 22nd
Six Nations Championship: Italy v Scotland, Stadio Olimpico (2.15), Wales v France, Principality stadium (4.45)
Pro14: Glasgow v Dragons, Scotstoun (7.35); Ulster v Cheetahs, Kingspan (7.35)
AIL Division 1A (2.30): Ballynahinch v Dublin University; Clontarf v Garryowen; Young Munster v Lansdowne.
Division 1B (2.30): Banbridge v St Mary's; Highfield v Navan; Malone v Old Belvedere; Old Wesley v City of Armagh; Shannon v Naas.
Division 2A (2.30): Cashel v Ballymena; Dolphin v Nenagh Ormond; MU Barnhall v QUB; Old Crescent v Rainey OB; UL Bohemian v Buccaneers.
Division 2B (2.30): Ballina v Galwegians; Belfast Harlequins v Malahide; Dungannon v Corinthians; Sligo v Greystones; Wanderers v Blackrock.
Division 2C (2.30): Bangor v Skerries; Bruff v Omagh; City of Derry v Tullamore; Enniscorthy v Clonmel; Midleton v Sunday's Well.
SUNDAY 23rd
Six Nations Championship: England v Ireland, Twickenham (3.0)
Women's Six Nations Championship: England v Ireland, Castle Park, Doncaster (12.45)
Pro14: Scarlets v Kings, Parc y Scarlets (5.15); Cardiff v Benetton, Arms Park (5.15)
FRIDAY 28th
Pro14: Edinburgh v Cardiff, Murrayfield (7.35); Leinster v Glasgow, RDS (7.35)
AIL (8.0) – Division 1A: Garryowen v Young Munster; Division 2A: Nenagh Ormond v UL Bohemian. Division 2B : Greystones v Wanderers.
SATURDAY 29th
Pro14: Zebre v Ospreys, Stadio Lanfranchi (1.0); Benetton v Ulster, Stadio Monigo (3.0); Munster v Scarlets, Thomond Park (5.0); Dragons v Cheetahs, Rodney Parade (5.15)
AIL Division 1A (2.30): Dublin University v Cork Con; Lansdowne v Ballynahinch; UCC v Terenure; UCD v Clontarf.
Division 1B (2.30): City of Armagh v Shannon; Naas v Banbridge; Navan v Old Wesley; Old Belvedere v Highfield; St Mary's v Malone.
Division 2A (2.30): Ballymena v Dolphin; Buccaneers v MU Barnhall; QUB v Old Crescent; Rainey OB v Cashel.
Division 2B (2.30): Ballina v Dungannon; Blackrock v Belfast Harlequins; Corinthians v Sligo; Greystones v Wanderers; Malahide v Galwegians.
Division 2C (2.30): Clonmel v City of Derry; Omagh v Midleton; Skerries v Bruff; Sunday's Well v Enniscorthy; Tullamore v Bangor.
