All event countdowns in March 2021
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
- Line Of Duty
- World Water Day
- Palm Sunday
- Clocks Change in UK
- Full Moon