About First Atomic Bomb Test — Trinity
The world's first nuclear weapon was detonated at 5:29am on 16 July 1945 at the Trinity test site in New Mexico — witnessing the blast, project director J. Robert Oppenheimer recalled: 'Now I am become Death, the destroyer of worlds'.
Use the live elapsed counter at the top of this page to see exactly how many days, hours, minutes and seconds have passed since 16 July 1945.
Frequently Asked Questions
How many days since the Trinity atomic bomb test?
The live counter on this page shows the exact number of days since the Trinity atomic bomb test on 16 July 1945, updating every second.
How many years since the Trinity atomic bomb test?
The live counter on this page shows the exact years and days since the Trinity atomic bomb test in 1945. The years figure updates in real time.
How many weeks since the Trinity atomic bomb test?
The live counter on this page shows the precise number of weeks elapsed since the Trinity atomic bomb test on 16 July 1945.
What day of the week was the Trinity atomic bomb test?
The Trinity atomic bomb test was on a Monday, 16 July 1945.
When is the next anniversary of the Trinity atomic bomb test?
The anniversary of the Trinity atomic bomb test falls each year on 16 July. The stats box above shows exactly how many days until the next one.