All event countdowns in 2021
January
- New Year's Day
- Bloody Mary Day
- January
- Rotherham United - Cardiff City (T.B.A.)
- Southampton - Liverpool (1-0)
- Last Quarter Moon
- Cobra Kai Season 3
- Aston Villa - Liverpool [FA] (1-4)
- New Moon
- Cardiff City - Norwich City (T.B.A.)
- Liverpool - Manchester United (0-0)
- Martin Luther King Jr Day
- Inauguration Day in US
- Cardiff City - Queens Park Rangers (T.B.A.)
- US Presidential Inauguration
- First Quarter Moon
- Liverpool - Burnley (0-1)
- Barnsley - Cardiff City (T.B.A.)
- Manchester United - Liverpool [FA] (3-2)
- Robert Burns Day
- Australia Day
- Holocaust Memorial Day
- Full Moon
- Tottenham Hotspur - Liverpool (1-3)
- Cardiff City - Millwall (T.B.A.)
- Self Assessment Tax Return Deadline
- West Ham United - Liverpool (1-3)
February
- February
- Groundhog Day
- Liverpool - Brighton & Hove Albion (0-1)
- Last Quarter Moon
- Bristol City - Cardiff City (T.B.A.)
- Liverpool - Manchester City (1-4)
- Super Bowl
- New Moon
- Chinese New Year
- Cardiff City - Coventry City (T.B.A.)
- Leicester City - Liverpool (3-1)
- Valentine's Day
- Presidents' Day
- Mardi Gras (Fat Tuesday)
- Pancake Day
- Shrove Tuesday
- Luton Town - Cardiff City (T.B.A.)
- RB Leipzig - Liverpool [CL] (0-2)
- Ash Wednesday
- Lent
- Lent (Catholic)
- First Quarter Moon
- Cardiff City - Preston North End (T.B.A.)
- Liverpool - Everton
- Bournemouth - Cardiff City (T.B.A.)
- Full Moon
- Middlesbrough - Cardiff City (T.B.A.)
- Sheffield United - Liverpool
March
- Saint David's Day
- March
- Golden Globe Awards
- Cardiff City - Derby County (T.B.A.)
- Last Quarter Moon
- Huddersfield Town - Cardiff City (T.B.A.)
- Liverpool - Fulham
- NBA All-Star Game
- Commonwealth Day
- Critics' Choice Awards
- Liverpool - RB Leipzig [CL]
- New Moon
- Cardiff City - Watford (T.B.A.)
- Wolverhampton Wanderers - Liverpool
- Mother's Day in the UK
- Pi Day
- Daylight Saving/Clocks Change in US
- Grammy Awards
- Cardiff City - Stoke City (T.B.A.)
- Saint Patrick's Day
- Spring
- March Equinox
- Swansea City - Cardiff City (T.B.A.)
- Liverpool - Chelsea
- First Quarter Moon
- World Water Day
- Palm Sunday
- Clocks Change in UK
- Full Moon
- Line Of Duty
April
- Maundy Thursday
- April Fools' Day
- April
- Major League Baseball Season Opening Game
- Good Friday
- Cardiff City - Nottingham Forest (T.B.A.)
- Arsenal - Liverpool
- Easter
- Last Quarter Moon
- Easter Monday
- Screen Actors Guild (SAG) Awards
- Sheffield Wednesday - Cardiff City (T.B.A.)
- World IoT Day
- Cardiff City - Blackburn Rovers (T.B.A.)
- Liverpool - Aston Villa
- British Academy Film Awards: BAFTAs
- New Moon
- Reading - Cardiff City (T.B.A.)
- Leeds United - Liverpool
- First Quarter Moon
- Brentford - Cardiff City (T.B.A.)
- Queen Elizabeth's Birthday
- Earth Day
- Saint George's Day
- Cardiff City - Wycombe Wanderers (T.B.A.)
- Liverpool - Newcastle United
- Anzac Day
- The Academy Awards: Oscars
- Full Moon
- NFL Draft
May
- May
- Birmingham City - Cardiff City (T.B.A.)
- Manchester United - Liverpool
- May Day
- Last Quarter Moon
- Star Wars Day
- Cinco De Mayo
- Black Widow
- Cardiff City - Rotherham United (T.B.A.)
- Liverpool - Southampton
- Mother's Day
- West Bromwich Albion - Liverpool
- New Moon
- World Whisky Day
- Burnley - Liverpool
- FA Cup Final 2021
- First Quarter Moon
- World Goth Day
- Liverpool - Crystal Palace
- Towel Day
- Full Moon
- UEFA Europa League Final 2021
- F9: Fast & Furious 9
- UEFA Champions League Final
- Memorial Day
- Spring Bank Holiday
June
- June
- Last Quarter Moon
- Download Festival
- New Moon
- UEFA European Football Championship 2020
- Flag Day in US
- English Premier League 2021/22 Fixtures Announced
- First Quarter Moon
- Father's Day
- Summer
- June Solstice
- Full Moon
- Wimbledon
- UK Football Transfer Window Opens
July
- Canada Day
- July
- Last Quarter Moon
- Minions 2: The Rise of Gru
- Independence Day
- New Moon
- Major League Baseball All-Star Game
- Saint Swithun's Day
- First Quarter Moon
- Summer Olympic Games - Tokyo 2020
- Full Moon
- Last Quarter Moon
August
- August
- New Moon
- Friday the 13th
- First Quarter Moon
- Full Moon
- NCAA/College Football Season
- Summer Bank Holiday
- Last Quarter Moon
September
- September
- Father's Day (Aus/NZ)
- Labor Day
- New Moon
- National Football League Season
- Patriot Day
- First Quarter Moon
- The Boss Baby 2
- Full Moon
- Autumn (or Fall)
- September Equinox
- Last Quarter Moon
October
- October
- New Moon
- James Bond 25 : No Time To Die
- Thanksgiving in Canada
- Columbus Day
- First Quarter Moon
- Full Moon
- Last Quarter Moon
- Halloween
November
- All Saints' Day
- November
- Election Day in US
- New Moon
- Guy Fawkes Night
- Singles Day
- Veterans Day
- Remembrance Day
- Ghostbusters 3: Afterlife
- First Quarter Moon
- Remembrance Sunday
- Beaujolais Nouveau Day
- Full Moon
- Thanksgiving
- Black Friday
- Last Quarter Moon
- Cyber Monday
- Cyber Monday in US
- Saint Andrew's Day