About Penicillin Discovered
Alexander Fleming discovered penicillin on 3 September 1928 at St. Mary's Hospital in London, a discovery that would go on to save hundreds of millions of lives.
Use the live elapsed counter at the top of this page to see exactly how many days, hours, minutes and seconds have passed since 3 September 1928.
Frequently Asked Questions
How many days since penicillin was discovered?
The live counter on this page shows the exact number of days since penicillin was discovered on 3 September 1928, updating every second.
How many years since penicillin was discovered?
The live counter on this page shows the exact years and days since penicillin was discovered in 1928. The years figure updates in real time.
How many weeks since penicillin was discovered?
The live counter on this page shows the precise number of weeks elapsed since penicillin was discovered on 3 September 1928.
What day of the week was the discovery of penicillin?
The discovery of penicillin was on a Monday, 3 September 1928.
When is the next anniversary of the discovery of penicillin?
The anniversary of the discovery of penicillin falls each year on 3 September. The stats box above shows exactly how many days until the next one.