About UK Decimalisation Day
Decimal Day in the UK was 15 February 1971, when the pound sterling was decimalised from the old system of pounds, shillings and pence to 100 new pence to the pound — a system that had been in place since Anglo-Saxon times.
Use the live elapsed counter at the top of this page to see exactly how many days, hours, minutes and seconds have passed since 15 February 1971.
Frequently Asked Questions
How many days since UK decimalisation?
The live counter on this page shows the exact number of days since UK decimalisation on 15 February 1971, updating every second.
How many years since UK decimalisation?
The live counter on this page shows the exact years and days since UK decimalisation in 1971. The years figure updates in real time.
How many weeks since UK decimalisation?
The live counter on this page shows the precise number of weeks elapsed since UK decimalisation on 15 February 1971.
What day of the week was Decimal Day?
Decimal Day was on a Monday, 15 February 1971.
When is the next anniversary of Decimal Day?
The anniversary of Decimal Day falls each year on 15 February. The stats box above shows exactly how many days until the next one.