Why does the soccer clock never stop?
The soccer clock never stops because the game uses a single running clock for two 45-minute halves. Instead of pausing for stoppages, the referee adds 'stoppage time' (or added time) at the end of each half to make up for time lost to injuries, substitutions, and celebrations.
- 1A match is two halves of 45 minutes, and the clock runs continuously through each half[1]
- 2The referee adds time at the end of each half for time lost to substitutions, injuries, time-wasting, and other delays[1]
- 3This added time can be increased by the referee but never reduced[1]
- 4The fourth official signals the minimum added time at the end of the final minute of each half[1]
- 5If a penalty kick must be taken, the half is extended until that kick is completed[1]
Soccer uses one running clock, counting up across two 45-minute halves. The referee — not a stadium clock — keeps time, and it never stops for injuries, substitutions, or celebrations.
To stay fair, the referee adds that lost time back at the end of each half. This is stoppage (or added) time, shown on the fourth official's board as a minimum — it can run longer, never shorter. If a penalty is awarded right as the half ends, time is extended just long enough to take it.
That is why a '90-minute' World Cup game often runs past 100 minutes.
American sports stop the clock constantly — incomplete passes, timeouts, free throws, the two-minute warning. Soccer does the opposite: the clock never stops, so instead of pausing it pays the time back at the end as 'added time.' Think of stoppage time as all those clock-stoppages bundled up and played at the end of each half — except the referee decides the exact amount and there is no precise countdown.
- IFAB — Law 7: The Duration of the Match(accessed 2026-06-01)
- IFAB — Law 5: The Referee(accessed 2026-06-01)