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.