Day counter

How many days since the first heart transplant?

21,501 days

since the first heart transplant on Sunday, December 3, 1967.

As of .

In years, months and days
58 years, 10 months and 12 days
In weeks
3,071 weeks and 4 days
Next anniversary
The 59th, on Thursday, December 3, 2026
Next round number
22,000 days, on Saturday, February 26, 2028

The count is the number of whole days from the date to today. Chronos counts the first day as day 1, so it would show day 21,502.

About the first heart transplant

The surgeon Christiaan Barnard performed the first human-to-human heart transplant at Groote Schuur Hospital in Cape Town, South Africa, on December 3, 1967.

The patient, Louis Washkansky, lived for 18 days after the operation.

Count your own days with Chronos

Pick the day something began, a new job, a move, the day you quit, and Chronos shows how many days have passed, in one large number. Free with no account and no ads. Chronos Pro, a one-time purchase, puts the count in Home Screen widgets and reminds you on day 100 and day 1,000.

More about Chronos