All event countdowns in 2021
January
- New Year's Day
- Bloody Mary Day
- January
- Southampton - Liverpool (1-0)
- Last Quarter Moon
- Aston Villa - Liverpool [FA] (1-4)
- Nottingham Forest - Cardiff City (1:0)
- New Moon
- Cardiff City - Norwich City (1:2)
- Liverpool - Manchester United (0-0)
- Martin Luther King Jr Day
- Inauguration Day in US
- Cardiff City - Queens Park Rangers (0:1)
- US Presidential Inauguration
- First Quarter Moon
- Liverpool - Burnley (0-1)
- Manchester United - Liverpool [FA] (3-2)
- Robert Burns Day
- Australia Day
- Holocaust Memorial Day
- Barnsley - Cardiff City (2:2)
- Full Moon
- Tottenham Hotspur - Liverpool (1-3)
- Cardiff City - Millwall (1:1)
- 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 (0:2)
- Liverpool - Manchester City (1-4)
- Super Bowl
- Rotherham United - Cardiff City (1:2)
- New Moon
- Chinese New Year
- Cardiff City - Coventry City (3:1)
- Leicester City - Liverpool (3-1)
- Valentine's Day
- Presidents' Day
- Mardi Gras (Fat Tuesday)
- Pancake Day
- Shrove Tuesday
- Luton Town - Cardiff City (0:2)
- RB Leipzig - Liverpool [CL] (0-2)
- Ash Wednesday
- Lent
- Lent (Catholic)
- First Quarter Moon
- Cardiff City - Preston North End (4:0)
- Liverpool - Everton (0-2)
- Bournemouth - Cardiff City (1:2)
- Full Moon
- Middlesbrough - Cardiff City (1:1)
- Sheffield United - Liverpool (0-2)
March
- Saint David's Day
- March
- Golden Globe Awards
- Cardiff City - Derby County (4:0)
- Liverpool - Chelsea (0-1)
- Huddersfield Town - Cardiff City (0:0)
- Last Quarter Moon
- Liverpool - Fulham (0-1)
- NBA All-Star Game
- Commonwealth Day
- Critics' Choice Awards
- Liverpool - RB Leipzig [CL] (2-0)
- New Moon
- Cardiff City - Watford (1:2)
- Mother's Day in the UK
- Pi Day
- Daylight Saving/Clocks Change in US
- Grammy Awards
- Wolverhampton Wanderers - Liverpool (0-1)
- Cardiff City - Stoke City (0:0)
- Saint Patrick's Day
- Spring
- March Equinox
- Swansea City - Cardiff City (0:1)
- First Quarter Moon
- Line Of Duty
- World Water Day
- Palm Sunday
- Clocks Change in UK
- Full Moon
April
- Maundy Thursday
- April Fools' Day
- April
- Major League Baseball Season Opening Game
- Good Friday
- Cardiff City - Nottingham Forest (0:1)
- Arsenal - Liverpool (0-3)
- Easter
- Last Quarter Moon
- Easter Monday
- Screen Actors Guild (SAG) Awards
- Sheffield Wednesday - Cardiff City (5:0)
- Real Madrid - Liverpool [CL] (3-1)
- World IoT Day
- Cardiff City - Blackburn Rovers (2:2)
- Liverpool - Aston Villa (2-1)
- British Academy Film Awards: BAFTAs
- New Moon
- Liverpool - Real Madrid [CL] (0-0)
- Reading - Cardiff City (1:1)
- Leeds United - Liverpool (1-1)
- First Quarter Moon
- Brentford - Cardiff City (1:1)
- Queen Elizabeth's Birthday
- Earth Day
- Saint George's Day
- Cardiff City - Wycombe Wanderers (2:1)
- Liverpool - Newcastle United (1-1)
- Anzac Day
- The Academy Awards: Oscars
- Full Moon
- The Handmaid's Tale
- NFL Draft
May
- May
- Birmingham City - Cardiff City (0:4)
- May Day
- Last Quarter Moon
- Star Wars Day
- Cinco De Mayo
- Cardiff City - Rotherham United (1:1)
- Liverpool - Southampton (2-0)
- Mother's Day
- New Moon
- Manchester United - Liverpool (2-4)
- World Whisky Day
- FA Cup Final 2021
- West Bromwich Albion - Liverpool (1-2)
- First Quarter Moon
- Burnley - Liverpool (0-3)
- World Goth Day
- Liverpool - Crystal Palace (2-0)
- 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
- Black Widow
- 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
- Manny Pacquiao vs Errol Spence Jr
- Full Moon
- NCAA/College Football Season
- Summer Bank Holiday
- Last Quarter Moon
September
- September
- Shang-Chi and the Legend of the Ten Rings
- 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
- Tyson Fury vs Deontay Wilder III
- 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
- Eternals
- 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